update Codeception and phpunit, refs #81

37 files changed, 1663 insertions, 521 deletions

diff --git a/tests/_support/Helper/StudipDb.php b/tests/_support/Helper/StudipDb.php
index 8d7f263..90ad24c 100644
--- a/tests/_support/Helper/StudipDb.php
+++ b/tests/_support/Helper/StudipDb.php
@@ -5,7 +5,7 @@ namespace Helper;
 use Codeception\Exception\ModuleConfigException;
 use Codeception\Exception\ModuleException;
 
-require_once 'StudipPDO.php';
+require_once('lib/classes/StudipPDO.class.php');
 
 class StudipDb extends \Codeception\Module
 {
diff --git a/tests/_support/_generated/FunctionalTesterActions.php b/tests/_support/_generated/FunctionalTesterActions.php
index 8257a4e..b10769a 100644
--- a/tests/_support/_generated/FunctionalTesterActions.php
+++ b/tests/_support/_generated/FunctionalTesterActions.php
@@ -1,4 +1,4 @@
-<?php  //[STAMP] 6e8eab5089e8fcc600b23f9a78b89b9c
+<?php  //[STAMP] 9862bb9e5ebf65fc43909feeee411c2a
 namespace _generated;
 
 // This class was automatically generated by build task
diff --git a/tests/_support/_generated/JsonapiTesterActions.php b/tests/_support/_generated/JsonapiTesterActions.php
index cb4f492..e4f4bde 100644
--- a/tests/_support/_generated/JsonapiTesterActions.php
+++ b/tests/_support/_generated/JsonapiTesterActions.php
@@ -1,4 +1,4 @@
-<?php  //[STAMP] 686e44487f85339db9d6c30356fecf96
+<?php  //[STAMP] bc9d12565d6304b308d375b50b9e8556
 namespace _generated;
 
 // This class was automatically generated by build task
@@ -39,8 +39,8 @@ trait JsonapiTesterActions
      * ```
      *
      * @deprecated Use expectThrowable() instead
-     * @param $exception string or \Exception
-     * @param $callback
+     * @param \Exception|string $exception
+     * @param callable $callback
      * @see \Codeception\Module\Asserts::expectException()
      */
     public function expectException($exception, $callback) {
@@ -73,8 +73,8 @@ trait JsonapiTesterActions
      * });
      * ```
      *
-     * @param $throwable string or \Throwable
-     * @param $callback
+     * @param \Throwable|string $throwable
+     * @param callable $callback
      * @see \Codeception\Module\Asserts::expectThrowable()
      */
     public function expectThrowable($throwable, $callback) {
@@ -85,136 +85,207 @@ trait JsonapiTesterActions
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that two variables are equal.
+     * Asserts that a file does not exist.
      *
-     * @param        $expected
-     * @param        $actual
+     * @param string $filename
      * @param string $message
-     * @param float  $delta
-     * @see \Codeception\Module\Asserts::assertEquals()
+     * @see \Codeception\Module\AbstractAsserts::assertFileNotExists()
      */
-    public function assertEquals($expected, $actual, $message = null, $delta = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEquals', func_get_args()));
+    public function assertFileNotExists($filename, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileNotExists', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that two variables are not equal
+     * Asserts that a value is greater than or equal to another value.
      *
-     * @param        $expected
-     * @param        $actual
+     * @param $expected
+     * @param $actual
      * @param string $message
-     * @param float  $delta
-     * @see \Codeception\Module\Asserts::assertNotEquals()
+     * @see \Codeception\Module\AbstractAsserts::assertGreaterOrEquals()
      */
-    public function assertNotEquals($expected, $actual, $message = null, $delta = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEquals', func_get_args()));
+    public function assertGreaterOrEquals($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertGreaterOrEquals', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that two variables are same
+     * Asserts that a variable is empty.
      *
-     * @param        $expected
-     * @param        $actual
+     * @param $actual
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertSame()
+     * @see \Codeception\Module\AbstractAsserts::assertIsEmpty()
      */
-    public function assertSame($expected, $actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertSame', func_get_args()));
+    public function assertIsEmpty($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsEmpty', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that two variables are not same
+     * Asserts that a value is smaller than or equal to another value.
      *
-     * @param        $expected
-     * @param        $actual
+     * @param $expected
+     * @param $actual
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertNotSame()
+     * @see \Codeception\Module\AbstractAsserts::assertLessOrEquals()
      */
-    public function assertNotSame($expected, $actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotSame', func_get_args()));
+    public function assertLessOrEquals($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertLessOrEquals', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that actual is greater than expected
+     * Asserts that a string does not match a given regular expression.
      *
-     * @param        $expected
-     * @param        $actual
+     * @param string $pattern
+     * @param string $string
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertGreaterThan()
+     * @see \Codeception\Module\AbstractAsserts::assertNotRegExp()
      */
-    public function assertGreaterThan($expected, $actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertGreaterThan', func_get_args()));
+    public function assertNotRegExp($pattern, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotRegExp', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that actual is greater or equal than expected
+     * Asserts that a string matches a given regular expression.
      *
-     * @param        $expected
-     * @param        $actual
+     * @param string $pattern
+     * @param string $string
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertGreaterThanOrEqual()
+     * @see \Codeception\Module\AbstractAsserts::assertRegExp()
      */
-    public function assertGreaterThanOrEqual($expected, $actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertGreaterThanOrEqual', func_get_args()));
+    public function assertRegExp($pattern, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertRegExp', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that actual is less than expected
+     * Evaluates a PHPUnit\Framework\Constraint matcher object.
      *
-     * @param        $expected
-     * @param        $actual
+     * @param $value
+     * @param Constraint $constraint
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertLessThan()
+     * @see \Codeception\Module\AbstractAsserts::assertThatItsNot()
      */
-    public function assertLessThan($expected, $actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertLessThan', func_get_args()));
+    public function assertThatItsNot($value, $constraint, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertThatItsNot', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that actual is less or equal than expected
+     * Asserts that an array has a specified key.
      *
-     * @param        $expected
-     * @param        $actual
+     * @param int|string $key
+     * @param array|ArrayAccess $array
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertLessThanOrEqual()
+     * @see \Codeception\Module\AbstractAsserts::assertArrayHasKey()
      */
-    public function assertLessThanOrEqual($expected, $actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertLessThanOrEqual', func_get_args()));
+    public function assertArrayHasKey($key, $array, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertArrayHasKey', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that an array does not have a specified key.
+     *
+     * @param int|string $key
+     * @param array|ArrayAccess $array
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertArrayNotHasKey()
+     */
+    public function assertArrayNotHasKey($key, $array, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertArrayNotHasKey', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a class has a specified attribute.
+     *
+     * @param string $attributeName
+     * @param string $className
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertClassHasAttribute()
+     */
+    public function assertClassHasAttribute($attributeName, $className, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertClassHasAttribute', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a class has a specified static attribute.
+     *
+     * @param string $attributeName
+     * @param string $className
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertClassHasStaticAttribute()
+     */
+    public function assertClassHasStaticAttribute($attributeName, $className, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertClassHasStaticAttribute', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that haystack contains needle
+     * Asserts that a class does not have a specified attribute.
      *
-     * @param        $needle
-     * @param        $haystack
+     * @param string $attributeName
+     * @param string $className
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertContains()
+     * @see \Codeception\Module\AbstractAsserts::assertClassNotHasAttribute()
      */
-    public function assertContains($needle, $haystack, $message = null) {
+    public function assertClassNotHasAttribute($attributeName, $className, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertClassNotHasAttribute', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a class does not have a specified static attribute.
+     *
+     * @param string $attributeName
+     * @param string $className
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertClassNotHasStaticAttribute()
+     */
+    public function assertClassNotHasStaticAttribute($attributeName, $className, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertClassNotHasStaticAttribute', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a haystack contains a needle.
+     *
+     * @param $needle
+     * @param $haystack
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertContains()
+     */
+    public function assertContains($needle, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertContains', func_get_args()));
     }
 
@@ -222,88 +293,171 @@ trait JsonapiTesterActions
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that haystack doesn't contain needle.
+     * @param $needle
+     * @param $haystack
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertContainsEquals()
+     */
+    public function assertContainsEquals($needle, $haystack, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertContainsEquals', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a haystack contains only values of a given type.
      *
-     * @param        $needle
-     * @param        $haystack
+     * @param string $type
+     * @param $haystack
+     * @param bool|null $isNativeType
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertNotContains()
+     * @see \Codeception\Module\AbstractAsserts::assertContainsOnly()
      */
-    public function assertNotContains($needle, $haystack, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotContains', func_get_args()));
+    public function assertContainsOnly($type, $haystack, $isNativeType = NULL, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertContainsOnly', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that string match with pattern
+     * Asserts that a haystack contains only instances of a given class name.
      *
-     * @param string $pattern
-     * @param string $string
+     * @param string $className
+     * @param $haystack
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertRegExp()
+     * @see \Codeception\Module\AbstractAsserts::assertContainsOnlyInstancesOf()
      */
-    public function assertRegExp($pattern, $string, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertRegExp', func_get_args()));
+    public function assertContainsOnlyInstancesOf($className, $haystack, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertContainsOnlyInstancesOf', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that string not match with pattern
+     * Asserts the number of elements of an array, Countable or Traversable.
      *
-     * @param string $pattern
-     * @param string $string
+     * @param int $expectedCount
+     * @param Countable|iterable $haystack
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertNotRegExp()
+     * @see \Codeception\Module\AbstractAsserts::assertCount()
      */
-    public function assertNotRegExp($pattern, $string, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotRegExp', func_get_args()));
+    public function assertCount($expectedCount, $haystack, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertCount', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that a string starts with the given prefix.
+     * Asserts that a directory does not exist.
      *
-     * @param string $prefix
-     * @param string $string
+     * @param string $directory
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertStringStartsWith()
+     * @see \Codeception\Module\AbstractAsserts::assertDirectoryDoesNotExist()
      */
-    public function assertStringStartsWith($prefix, $string, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringStartsWith', func_get_args()));
+    public function assertDirectoryDoesNotExist($directory, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryDoesNotExist', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that a string doesn't start with the given prefix.
+     * Asserts that a directory exists.
      *
-     * @param string $prefix
+     * @param string $directory
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertDirectoryExists()
+     */
+    public function assertDirectoryExists($directory, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryExists', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a directory exists and is not readable.
+     *
+     * @param string $directory
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertDirectoryIsNotReadable()
+     */
+    public function assertDirectoryIsNotReadable($directory, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryIsNotReadable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a directory exists and is not writable.
+     *
+     * @param string $directory
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertDirectoryIsNotWritable()
+     */
+    public function assertDirectoryIsNotWritable($directory, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryIsNotWritable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a directory exists and is readable.
+     *
+     * @param string $directory
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertDirectoryIsReadable()
+     */
+    public function assertDirectoryIsReadable($directory, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryIsReadable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a directory exists and is writable.
+     *
+     * @param string $directory
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertDirectoryIsWritable()
+     */
+    public function assertDirectoryIsWritable($directory, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryIsWritable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a string does not match a given regular expression.
+     *
+     * @param string $pattern
      * @param string $string
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertStringStartsNotWith()
+     * @see \Codeception\Module\AbstractAsserts::assertDoesNotMatchRegularExpression()
      */
-    public function assertStringStartsNotWith($prefix, $string, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringStartsNotWith', func_get_args()));
+    public function assertDoesNotMatchRegularExpression($pattern, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDoesNotMatchRegularExpression', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that variable is empty.
+     * Asserts that a variable is empty.
      *
-     * @param        $actual
+     * @param $actual
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertEmpty()
+     * @see \Codeception\Module\AbstractAsserts::assertEmpty()
      */
-    public function assertEmpty($actual, $message = null) {
+    public function assertEmpty($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEmpty', func_get_args()));
     }
 
@@ -311,111 +465,147 @@ trait JsonapiTesterActions
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that variable is not empty.
+     * Asserts that two variables are equal.
      *
-     * @param        $actual
+     * @param $expected
+     * @param $actual
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertNotEmpty()
+     * @see \Codeception\Module\AbstractAsserts::assertEquals()
      */
-    public function assertNotEmpty($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEmpty', func_get_args()));
+    public function assertEquals($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEquals', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that variable is NULL
+     * Asserts that two variables are equal (canonicalizing).
      *
-     * @param        $actual
+     * @param $expected
+     * @param $actual
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertNull()
+     * @see \Codeception\Module\AbstractAsserts::assertEqualsCanonicalizing()
      */
-    public function assertNull($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNull', func_get_args()));
+    public function assertEqualsCanonicalizing($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEqualsCanonicalizing', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that variable is not NULL
+     * Asserts that two variables are equal (ignoring case).
      *
-     * @param        $actual
+     * @param $expected
+     * @param $actual
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertNotNull()
+     * @see \Codeception\Module\AbstractAsserts::assertEqualsIgnoringCase()
      */
-    public function assertNotNull($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotNull', func_get_args()));
+    public function assertEqualsIgnoringCase($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEqualsIgnoringCase', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that condition is positive.
+     * Asserts that two variables are equal (with delta).
      *
-     * @param        $condition
+     * @param $expected
+     * @param $actual
+     * @param float $delta
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertTrue()
+     * @see \Codeception\Module\AbstractAsserts::assertEqualsWithDelta()
      */
-    public function assertTrue($condition, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertTrue', func_get_args()));
+    public function assertEqualsWithDelta($expected, $actual, $delta, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEqualsWithDelta', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that the condition is NOT true (everything but true)
+     * Asserts that a condition is false.
      *
-     * @param        $condition
+     * @param $condition
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertNotTrue()
+     * @see \Codeception\Module\AbstractAsserts::assertFalse()
      */
-    public function assertNotTrue($condition, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotTrue', func_get_args()));
+    public function assertFalse($condition, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFalse', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that condition is negative.
+     * Asserts that a file does not exist.
      *
-     * @param        $condition
+     * @param string $filename
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertFalse()
+     * @see \Codeception\Module\AbstractAsserts::assertFileDoesNotExist()
      */
-    public function assertFalse($condition, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFalse', func_get_args()));
+    public function assertFileDoesNotExist($filename, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileDoesNotExist', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks that the condition is NOT false (everything but false)
+     * Asserts that the contents of one file is equal to the contents of another file.
      *
-     * @param        $condition
+     * @param string $expected
+     * @param string $actual
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertNotFalse()
+     * @see \Codeception\Module\AbstractAsserts::assertFileEquals()
      */
-    public function assertNotFalse($condition, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotFalse', func_get_args()));
+    public function assertFileEquals($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileEquals', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that the contents of one file is equal to the contents of another file (canonicalizing).
+     *
+     * @param $expected
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertFileEqualsCanonicalizing()
+     */
+    public function assertFileEqualsCanonicalizing($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileEqualsCanonicalizing', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that the contents of one file is equal to the contents of another file (ignoring case).
+     *
+     * @param $expected
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertFileEqualsIgnoringCase()
+     */
+    public function assertFileEqualsIgnoringCase($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileEqualsIgnoringCase', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks if file exists
+     * Asserts that a file exists.
      *
      * @param string $filename
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertFileExists()
+     * @see \Codeception\Module\AbstractAsserts::assertFileExists()
      */
-    public function assertFileExists($filename, $message = null) {
+    public function assertFileExists($filename, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileExists', func_get_args()));
     }
 
@@ -423,103 +613,173 @@ trait JsonapiTesterActions
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Checks if file doesn't exist
+     * Asserts that a file exists and is not readable.
      *
-     * @param string $filename
+     * @param string $file
      * @param string $message
-     * @see \Codeception\Module\Asserts::assertFileNotExists()
+     * @see \Codeception\Module\AbstractAsserts::assertFileIsNotReadable()
      */
-    public function assertFileNotExists($filename, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileNotExists', func_get_args()));
+    public function assertFileIsNotReadable($file, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileIsNotReadable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a file exists and is not writable.
+     *
+     * @param string $file
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertFileIsNotWritable()
+     */
+    public function assertFileIsNotWritable($file, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileIsNotWritable', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a file exists and is readable.
+     *
+     * @param string $file
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertFileIsReadable()
+     */
+    public function assertFileIsReadable($file, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileIsReadable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a file exists and is writable.
+     *
+     * @param string $file
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertFileIsWritable()
+     */
+    public function assertFileIsWritable($file, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileIsWritable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that the contents of one file is not equal to the contents of another file.
+     *
      * @param $expected
      * @param $actual
-     * @param $description
-     * @see \Codeception\Module\Asserts::assertGreaterOrEquals()
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertFileNotEquals()
      */
-    public function assertGreaterOrEquals($expected, $actual, $description = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertGreaterOrEquals', func_get_args()));
+    public function assertFileNotEquals($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileNotEquals', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that the contents of one file is not equal to the contents of another file (canonicalizing).
+     *
      * @param $expected
      * @param $actual
-     * @param $description
-     * @see \Codeception\Module\Asserts::assertLessOrEquals()
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertFileNotEqualsCanonicalizing()
      */
-    public function assertLessOrEquals($expected, $actual, $description = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertLessOrEquals', func_get_args()));
+    public function assertFileNotEqualsCanonicalizing($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileNotEqualsCanonicalizing', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that the contents of one file is not equal to the contents of another file (ignoring case).
+     *
+     * @param $expected
      * @param $actual
-     * @param $description
-     * @see \Codeception\Module\Asserts::assertIsEmpty()
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertFileNotEqualsIgnoringCase()
      */
-    public function assertIsEmpty($actual, $description = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsEmpty', func_get_args()));
+    public function assertFileNotEqualsIgnoringCase($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileNotEqualsIgnoringCase', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * @param $key
+     * Asserts that a variable is finite.
+     *
      * @param $actual
-     * @param $description
-     * @see \Codeception\Module\Asserts::assertArrayHasKey()
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertFinite()
      */
-    public function assertArrayHasKey($key, $actual, $description = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertArrayHasKey', func_get_args()));
+    public function assertFinite($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFinite', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * @param $key
+     * Asserts that a value is greater than another value.
+     *
+     * @param $expected
      * @param $actual
-     * @param $description
-     * @see \Codeception\Module\Asserts::assertArrayNotHasKey()
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertGreaterThan()
      */
-    public function assertArrayNotHasKey($key, $actual, $description = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertArrayNotHasKey', func_get_args()));
+    public function assertGreaterThan($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertGreaterThan', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * @param $expectedCount
+     * Asserts that a value is greater than or equal to another value.
+     *
+     * @param $expected
      * @param $actual
-     * @param $description
-     * @see \Codeception\Module\Asserts::assertCount()
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertGreaterThanOrEqual()
      */
-    public function assertCount($expectedCount, $actual, $description = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertCount', func_get_args()));
+    public function assertGreaterThanOrEqual($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertGreaterThanOrEqual', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is infinite.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertInfinite()
+     */
+    public function assertInfinite($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertInfinite', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * @param $class
+     * Asserts that a variable is of a given type.
+     *
+     * @param $expected
      * @param $actual
-     * @param $description
-     * @see \Codeception\Module\Asserts::assertInstanceOf()
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertInstanceOf()
      */
-    public function assertInstanceOf($class, $actual, $description = null) {
+    public function assertInstanceOf($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertInstanceOf', func_get_args()));
     }
 
@@ -527,159 +787,307 @@ trait JsonapiTesterActions
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * @param $class
+     * Asserts that a variable is of type array.
+     *
      * @param $actual
-     * @param $description
-     * @see \Codeception\Module\Asserts::assertNotInstanceOf()
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsArray()
      */
-    public function assertNotInstanceOf($class, $actual, $description = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotInstanceOf', func_get_args()));
+    public function assertIsArray($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsArray', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * @param $type
+     * Asserts that a variable is of type bool.
+     *
      * @param $actual
-     * @param $description
-     * @see \Codeception\Module\Asserts::assertInternalType()
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsBool()
      */
-    public function assertInternalType($type, $actual, $description = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertInternalType', func_get_args()));
+    public function assertIsBool($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsBool', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * Fails the test with message.
+     * Asserts that a variable is of type callable.
      *
-     * @param $message
-     * @see \Codeception\Module\Asserts::fail()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsCallable()
      */
-    public function fail($message) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('fail', func_get_args()));
+    public function assertIsCallable($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsCallable', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is of type resource and is closed.
      *
-     * @see \Codeception\Module\Asserts::assertStringContainsString()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsClosedResource()
      */
-    public function assertStringContainsString($needle, $haystack, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringContainsString', func_get_args()));
+    public function assertIsClosedResource($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsClosedResource', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is of type float.
      *
-     * @see \Codeception\Module\Asserts::assertStringNotContainsString()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsFloat()
      */
-    public function assertStringNotContainsString($needle, $haystack, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotContainsString', func_get_args()));
+    public function assertIsFloat($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsFloat', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is of type int.
      *
-     * @see \Codeception\Module\Asserts::assertStringContainsStringIgnoringCase()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsInt()
      */
-    public function assertStringContainsStringIgnoringCase($needle, $haystack, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringContainsStringIgnoringCase', func_get_args()));
+    public function assertIsInt($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsInt', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is of type iterable.
      *
-     * @see \Codeception\Module\Asserts::assertStringNotContainsStringIgnoringCase()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsIterable()
      */
-    public function assertStringNotContainsStringIgnoringCase($needle, $haystack, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotContainsStringIgnoringCase', func_get_args()));
+    public function assertIsIterable($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsIterable', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * @since 1.1.0 of module-asserts
-     * @see \Codeception\Module\Asserts::assertStringEndsWith()
+     * Asserts that a variable is not of type array.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotArray()
      */
-    public function assertStringEndsWith($suffix, $string, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEndsWith', func_get_args()));
+    public function assertIsNotArray($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotArray', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
-     * @since 1.1.0 of module-asserts
-     * @see \Codeception\Module\Asserts::assertStringEndsNotWith()
+     * Asserts that a variable is not of type bool.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotBool()
      */
-    public function assertStringEndsNotWith($suffix, $string, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEndsNotWith', func_get_args()));
+    public function assertIsNotBool($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotBool', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is not of type callable.
      *
-     * @see \Codeception\Module\Asserts::assertIsArray()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotCallable()
      */
-    public function assertIsArray($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsArray', func_get_args()));
+    public function assertIsNotCallable($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotCallable', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is not of type resource.
      *
-     * @see \Codeception\Module\Asserts::assertIsBool()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotClosedResource()
      */
-    public function assertIsBool($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsBool', func_get_args()));
+    public function assertIsNotClosedResource($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotClosedResource', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is not of type float.
      *
-     * @see \Codeception\Module\Asserts::assertIsFloat()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotFloat()
      */
-    public function assertIsFloat($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsFloat', func_get_args()));
+    public function assertIsNotFloat($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotFloat', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is not of type int.
      *
-     * @see \Codeception\Module\Asserts::assertIsInt()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotInt()
      */
-    public function assertIsInt($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsInt', func_get_args()));
+    public function assertIsNotInt($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotInt', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is not of type iterable.
      *
-     * @see \Codeception\Module\Asserts::assertIsNumeric()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotIterable()
      */
-    public function assertIsNumeric($actual, $message = null) {
+    public function assertIsNotIterable($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotIterable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is not of type numeric.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotNumeric()
+     */
+    public function assertIsNotNumeric($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotNumeric', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is not of type object.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotObject()
+     */
+    public function assertIsNotObject($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotObject', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a file/dir exists and is not readable.
+     *
+     * @param string $filename
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotReadable()
+     */
+    public function assertIsNotReadable($filename, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotReadable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is not of type resource.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotResource()
+     */
+    public function assertIsNotResource($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotResource', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is not of type scalar.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotScalar()
+     */
+    public function assertIsNotScalar($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotScalar', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is not of type string.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotString()
+     */
+    public function assertIsNotString($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotString', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a file/dir exists and is not writable.
+     *
+     * @param $filename
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNotWritable()
+     */
+    public function assertIsNotWritable($filename, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotWritable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is of type numeric.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsNumeric()
+     */
+    public function assertIsNumeric($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNumeric', func_get_args()));
     }
 
@@ -687,10 +1095,13 @@ trait JsonapiTesterActions
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is of type object.
      *
-     * @see \Codeception\Module\Asserts::assertIsObject()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsObject()
      */
-    public function assertIsObject($actual, $message = null) {
+    public function assertIsObject($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsObject', func_get_args()));
     }
 
@@ -698,10 +1109,27 @@ trait JsonapiTesterActions
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a file/dir is readable.
+     *
+     * @param $filename
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsReadable()
+     */
+    public function assertIsReadable($filename, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsReadable', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is of type resource.
      *
-     * @see \Codeception\Module\Asserts::assertIsResource()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsResource()
      */
-    public function assertIsResource($actual, $message = null) {
+    public function assertIsResource($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsResource', func_get_args()));
     }
 
@@ -709,10 +1137,27 @@ trait JsonapiTesterActions
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is of type scalar.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsScalar()
+     */
+    public function assertIsScalar($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsScalar', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is of type string.
      *
-     * @see \Codeception\Module\Asserts::assertIsString()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsString()
      */
-    public function assertIsString($actual, $message = null) {
+    public function assertIsString($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsString', func_get_args()));
     }
 
@@ -720,143 +1165,192 @@ trait JsonapiTesterActions
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a file/dir exists and is writable.
      *
-     * @see \Codeception\Module\Asserts::assertIsScalar()
+     * @param $filename
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertIsWritable()
      */
-    public function assertIsScalar($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsScalar', func_get_args()));
+    public function assertIsWritable($filename, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsWritable', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a string is a valid JSON string.
      *
-     * @see \Codeception\Module\Asserts::assertIsCallable()
+     * @param string $actualJson
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertJson()
      */
-    public function assertIsCallable($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsCallable', func_get_args()));
+    public function assertJson($actualJson, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJson', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that two JSON files are equal.
      *
-     * @see \Codeception\Module\Asserts::assertIsNotArray()
+     * @param string $expectedFile
+     * @param string $actualFile
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertJsonFileEqualsJsonFile()
      */
-    public function assertIsNotArray($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotArray', func_get_args()));
+    public function assertJsonFileEqualsJsonFile($expectedFile, $actualFile, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonFileEqualsJsonFile', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that two JSON files are not equal.
      *
-     * @see \Codeception\Module\Asserts::assertIsNotBool()
+     * @param string $expectedFile
+     * @param string $actualFile
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertJsonFileNotEqualsJsonFile()
      */
-    public function assertIsNotBool($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotBool', func_get_args()));
+    public function assertJsonFileNotEqualsJsonFile($expectedFile, $actualFile, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonFileNotEqualsJsonFile', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that the generated JSON encoded object and the content of the given file are equal.
      *
-     * @see \Codeception\Module\Asserts::assertIsNotFloat()
+     * @param string $expectedFile
+     * @param string $actualJson
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertJsonStringEqualsJsonFile()
      */
-    public function assertIsNotFloat($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotFloat', func_get_args()));
+    public function assertJsonStringEqualsJsonFile($expectedFile, $actualJson, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonStringEqualsJsonFile', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that two given JSON encoded objects or arrays are equal.
      *
-     * @see \Codeception\Module\Asserts::assertIsNotInt()
+     * @param string $expectedJson
+     * @param string $actualJson
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertJsonStringEqualsJsonString()
      */
-    public function assertIsNotInt($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotInt', func_get_args()));
+    public function assertJsonStringEqualsJsonString($expectedJson, $actualJson, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonStringEqualsJsonString', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that the generated JSON encoded object and the content of the given file are not equal.
      *
-     * @see \Codeception\Module\Asserts::assertIsNotNumeric()
+     * @param string $expectedFile
+     * @param string $actualJson
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertJsonStringNotEqualsJsonFile()
      */
-    public function assertIsNotNumeric($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotNumeric', func_get_args()));
+    public function assertJsonStringNotEqualsJsonFile($expectedFile, $actualJson, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonStringNotEqualsJsonFile', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that two given JSON encoded objects or arrays are not equal.
      *
-     * @see \Codeception\Module\Asserts::assertIsNotObject()
+     * @param string $expectedJson
+     * @param string $actualJson
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertJsonStringNotEqualsJsonString()
      */
-    public function assertIsNotObject($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotObject', func_get_args()));
+    public function assertJsonStringNotEqualsJsonString($expectedJson, $actualJson, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonStringNotEqualsJsonString', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a value is smaller than another value.
      *
-     * @see \Codeception\Module\Asserts::assertIsNotResource()
+     * @param $expected
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertLessThan()
      */
-    public function assertIsNotResource($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotResource', func_get_args()));
+    public function assertLessThan($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertLessThan', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a value is smaller than or equal to another value.
      *
-     * @see \Codeception\Module\Asserts::assertIsNotString()
+     * @param $expected
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertLessThanOrEqual()
      */
-    public function assertIsNotString($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotString', func_get_args()));
+    public function assertLessThanOrEqual($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertLessThanOrEqual', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a string matches a given regular expression.
      *
-     * @see \Codeception\Module\Asserts::assertIsNotScalar()
+     * @param string $pattern
+     * @param string $string
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertMatchesRegularExpression()
      */
-    public function assertIsNotScalar($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotScalar', func_get_args()));
+    public function assertMatchesRegularExpression($pattern, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertMatchesRegularExpression', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is nan.
      *
-     * @see \Codeception\Module\Asserts::assertIsNotCallable()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNan()
      */
-    public function assertIsNotCallable($actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotCallable', func_get_args()));
+    public function assertNan($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNan', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a haystack does not contain a needle.
      *
-     * @see \Codeception\Module\Asserts::assertEqualsCanonicalizing()
+     * @param $needle
+     * @param $haystack
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotContains()
      */
-    public function assertEqualsCanonicalizing($expected, $actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEqualsCanonicalizing', func_get_args()));
+    public function assertNotContains($needle, $haystack, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotContains', func_get_args()));
     }
 
  
@@ -864,53 +1358,115 @@ trait JsonapiTesterActions
      * [!] Method is generated. Documentation taken from corresponding module.
      *
      *
-     * @see \Codeception\Module\Asserts::assertNotEqualsCanonicalizing()
+     * @see \Codeception\Module\AbstractAsserts::assertNotContainsEquals()
      */
-    public function assertNotEqualsCanonicalizing($expected, $actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEqualsCanonicalizing', func_get_args()));
+    public function assertNotContainsEquals($needle, $haystack, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotContainsEquals', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a haystack does not contain only values of a given type.
      *
-     * @see \Codeception\Module\Asserts::assertEqualsIgnoringCase()
+     * @param string $type
+     * @param $haystack
+     * @param bool|null $isNativeType
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotContainsOnly()
      */
-    public function assertEqualsIgnoringCase($expected, $actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEqualsIgnoringCase', func_get_args()));
+    public function assertNotContainsOnly($type, $haystack, $isNativeType = NULL, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotContainsOnly', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts the number of elements of an array, Countable or Traversable.
      *
-     * @see \Codeception\Module\Asserts::assertNotEqualsIgnoringCase()
+     * @param int $expectedCount
+     * @param Countable|iterable $haystack
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotCount()
      */
-    public function assertNotEqualsIgnoringCase($expected, $actual, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEqualsIgnoringCase', func_get_args()));
+    public function assertNotCount($expectedCount, $haystack, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotCount', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a variable is not empty.
      *
-     * @see \Codeception\Module\Asserts::assertEqualsWithDelta()
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotEmpty()
      */
-    public function assertEqualsWithDelta($expected, $actual, $delta, $message = null) {
-        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEqualsWithDelta', func_get_args()));
+    public function assertNotEmpty($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEmpty', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two variables are not equal.
+     *
+     * @param $expected
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotEquals()
+     */
+    public function assertNotEquals($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEquals', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two variables are not equal (canonicalizing).
+     *
+     * @param $expected
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotEqualsCanonicalizing()
+     */
+    public function assertNotEqualsCanonicalizing($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEqualsCanonicalizing', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two variables are not equal (ignoring case).
+     *
+     * @param $expected
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotEqualsIgnoringCase()
+     */
+    public function assertNotEqualsIgnoringCase($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEqualsIgnoringCase', func_get_args()));
     }
 
  
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that two variables are not equal (with delta).
      *
-     * @see \Codeception\Module\Asserts::assertNotEqualsWithDelta()
+     * @param $expected
+     * @param $actual
+     * @param float $delta
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotEqualsWithDelta()
      */
-    public function assertNotEqualsWithDelta($expected, $actual, $delta, $message = null) {
+    public function assertNotEqualsWithDelta($expected, $actual, $delta, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEqualsWithDelta', func_get_args()));
     }
 
@@ -918,6 +1474,584 @@ trait JsonapiTesterActions
     /**
      * [!] Method is generated. Documentation taken from corresponding module.
      *
+     * Asserts that a condition is not false.
+     *
+     * @param $condition
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotFalse()
+     */
+    public function assertNotFalse($condition, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotFalse', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is not of a given type.
+     *
+     * @param $expected
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotInstanceOf()
+     */
+    public function assertNotInstanceOf($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotInstanceOf', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is not null.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotNull()
+     */
+    public function assertNotNull($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotNull', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two variables do not have the same type and value.
+     *
+     * @param $expected
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotSame()
+     */
+    public function assertNotSame($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotSame', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Assert that the size of two arrays (or `Countable` or `Traversable` objects) is not the same.
+     *
+     * @param Countable|iterable $expected
+     * @param Countable|iterable $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotSameSize()
+     */
+    public function assertNotSameSize($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotSameSize', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a condition is not true.
+     *
+     * @param $condition
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNotTrue()
+     */
+    public function assertNotTrue($condition, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotTrue', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a variable is null.
+     *
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertNull()
+     */
+    public function assertNull($actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNull', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that an object has a specified attribute.
+     *
+     * @param string $attributeName
+     * @param object $object
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertObjectHasAttribute()
+     */
+    public function assertObjectHasAttribute($attributeName, $object, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertObjectHasAttribute', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that an object does not have a specified attribute.
+     *
+     * @param string $attributeName
+     * @param object $object
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertObjectNotHasAttribute()
+     */
+    public function assertObjectNotHasAttribute($attributeName, $object, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertObjectNotHasAttribute', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two variables have the same type and value.
+     *
+     * @param $expected
+     * @param $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertSame()
+     */
+    public function assertSame($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertSame', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Assert that the size of two arrays (or `Countable` or `Traversable` objects) is the same.
+     *
+     * @param Countable|iterable $expected
+     * @param Countable|iterable $actual
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertSameSize()
+     */
+    public function assertSameSize($expected, $actual, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertSameSize', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * @param string $needle
+     * @param string $haystack
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringContainsString()
+     */
+    public function assertStringContainsString($needle, $haystack, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringContainsString', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     *
+     * @see \Codeception\Module\AbstractAsserts::assertStringContainsStringIgnoringCase()
+     */
+    public function assertStringContainsStringIgnoringCase($needle, $haystack, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringContainsStringIgnoringCase', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a string ends not with a given suffix.
+     *
+     * @param string $suffix
+     * @param string $string
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringEndsNotWith()
+     */
+    public function assertStringEndsNotWith($suffix, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEndsNotWith', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a string ends with a given suffix.
+     *
+     * @param string $suffix
+     * @param string $string
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringEndsWith()
+     */
+    public function assertStringEndsWith($suffix, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEndsWith', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that the contents of a string is equal to the contents of a file.
+     *
+     * @param string $expectedFile
+     * @param string $actualString
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringEqualsFile()
+     */
+    public function assertStringEqualsFile($expectedFile, $actualString, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEqualsFile', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that the contents of a string is equal to the contents of a file (canonicalizing).
+     *
+     * @param string $expectedFile
+     * @param string $actualString
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringEqualsFileCanonicalizing()
+     */
+    public function assertStringEqualsFileCanonicalizing($expectedFile, $actualString, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEqualsFileCanonicalizing', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that the contents of a string is equal to the contents of a file (ignoring case).
+     *
+     * @param string $expectedFile
+     * @param string $actualString
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringEqualsFileIgnoringCase()
+     */
+    public function assertStringEqualsFileIgnoringCase($expectedFile, $actualString, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEqualsFileIgnoringCase', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a string matches a given format string.
+     *
+     * @param string $format
+     * @param string $string
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringMatchesFormat()
+     */
+    public function assertStringMatchesFormat($format, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringMatchesFormat', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a string matches a given format file.
+     *
+     * @param string $formatFile
+     * @param string $string
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringMatchesFormatFile()
+     */
+    public function assertStringMatchesFormatFile($formatFile, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringMatchesFormatFile', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * @param string $needle
+     * @param string $haystack
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringNotContainsString()
+     */
+    public function assertStringNotContainsString($needle, $haystack, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotContainsString', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * @param string $needle
+     * @param string $haystack
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringNotContainsStringIgnoringCase()
+     */
+    public function assertStringNotContainsStringIgnoringCase($needle, $haystack, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotContainsStringIgnoringCase', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that the contents of a string is not equal to the contents of a file.
+     *
+     * @param string $expectedFile
+     * @param string $actualString
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringNotEqualsFile()
+     */
+    public function assertStringNotEqualsFile($expectedFile, $actualString, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotEqualsFile', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that the contents of a string is not equal to the contents of a file (canonicalizing).
+     * @param string $expectedFile
+     * @param string $actualString
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringNotEqualsFileCanonicalizing()
+     */
+    public function assertStringNotEqualsFileCanonicalizing($expectedFile, $actualString, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotEqualsFileCanonicalizing', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that the contents of a string is not equal to the contents of a file (ignoring case).
+     *
+     * @param string $expectedFile
+     * @param string $actualString
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringNotEqualsFileIgnoringCase()
+     */
+    public function assertStringNotEqualsFileIgnoringCase($expectedFile, $actualString, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotEqualsFileIgnoringCase', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a string does not match a given format string.
+     *
+     * @param string $format
+     * @param string $string
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringNotMatchesFormat()
+     */
+    public function assertStringNotMatchesFormat($format, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotMatchesFormat', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a string does not match a given format string.
+     *
+     * @param string $formatFile
+     * @param string $string
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringNotMatchesFormatFile()
+     */
+    public function assertStringNotMatchesFormatFile($formatFile, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotMatchesFormatFile', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a string starts not with a given prefix.
+     *
+     * @param string $prefix
+     * @param string $string
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringStartsNotWith()
+     */
+    public function assertStringStartsNotWith($prefix, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringStartsNotWith', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a string starts with a given prefix.
+     *
+     * @param string $prefix
+     * @param string $string
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertStringStartsWith()
+     */
+    public function assertStringStartsWith($prefix, $string, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringStartsWith', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Evaluates a PHPUnit\Framework\Constraint matcher object.
+     *
+     * @param $value
+     * @param Constraint $constraint
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertThat()
+     */
+    public function assertThat($value, $constraint, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertThat', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that a condition is true.
+     *
+     * @param $condition
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertTrue()
+     */
+    public function assertTrue($condition, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertTrue', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two XML files are equal.
+     *
+     * @param string $expectedFile
+     * @param string $actualFile
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertXmlFileEqualsXmlFile()
+     */
+    public function assertXmlFileEqualsXmlFile($expectedFile, $actualFile, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlFileEqualsXmlFile', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two XML files are not equal.
+     *
+     * @param string $expectedFile
+     * @param string $actualFile
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertXmlFileNotEqualsXmlFile()
+     */
+    public function assertXmlFileNotEqualsXmlFile($expectedFile, $actualFile, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlFileNotEqualsXmlFile', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two XML documents are equal.
+     *
+     * @param string $expectedFile
+     * @param DOMDocument|string $actualXml
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertXmlStringEqualsXmlFile()
+     */
+    public function assertXmlStringEqualsXmlFile($expectedFile, $actualXml, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlStringEqualsXmlFile', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two XML documents are equal.
+     *
+     * @param DOMDocument|string $expectedXml
+     * @param DOMDocument|string $actualXml
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertXmlStringEqualsXmlString()
+     */
+    public function assertXmlStringEqualsXmlString($expectedXml, $actualXml, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlStringEqualsXmlString', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two XML documents are not equal.
+     *
+     * @param string $expectedFile
+     * @param DOMDocument|string $actualXml
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertXmlStringNotEqualsXmlFile()
+     */
+    public function assertXmlStringNotEqualsXmlFile($expectedFile, $actualXml, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlStringNotEqualsXmlFile', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Asserts that two XML documents are not equal.
+     *
+     * @param DOMDocument|string $expectedXml
+     * @param DOMDocument|string $actualXml
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::assertXmlStringNotEqualsXmlString()
+     */
+    public function assertXmlStringNotEqualsXmlString($expectedXml, $actualXml, $message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlStringNotEqualsXmlString', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Fails a test with the given message.
+     *
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::fail()
+     */
+    public function fail($message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('fail', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Mark the test as incomplete.
+     *
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::markTestIncomplete()
+     */
+    public function markTestIncomplete($message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('markTestIncomplete', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
+     * Mark the test as skipped.
+     *
+     * @param string $message
+     * @see \Codeception\Module\AbstractAsserts::markTestSkipped()
+     */
+    public function markTestSkipped($message = "") {
+        return $this->getScenario()->runStep(new \Codeception\Step\Action('markTestSkipped', func_get_args()));
+    }
+
+ 
+    /**
+     * [!] Method is generated. Documentation taken from corresponding module.
+     *
      *
      * @see \Helper\Credentials::getCredentialsForTestAutor()
      */
@@ -976,7 +2110,7 @@ trait JsonapiTesterActions
      *
      * @see \Helper\Jsonapi::createApp()
      */
-    public function createApp($credentials, $method, $pattern, $callable, $name = null) {
+    public function createApp($credentials, $method, $pattern, $callable, $name = NULL) {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('createApp', func_get_args()));
     }
 
@@ -987,7 +2121,7 @@ trait JsonapiTesterActions
      *
      * @see \Helper\Jsonapi::createRequestBuilder()
      */
-    public function createRequestBuilder($credentials = null) {
+    public function createRequestBuilder($credentials = NULL) {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('createRequestBuilder', func_get_args()));
     }
 
@@ -998,7 +2132,7 @@ trait JsonapiTesterActions
      *
      * @see \Helper\Jsonapi::sendMockRequest()
      */
-    public function sendMockRequest($app, $request) {
+    public function sendMockRequest($app, \Slim\Http\Request $request) {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('sendMockRequest', func_get_args()));
     }
 
@@ -1009,7 +2143,7 @@ trait JsonapiTesterActions
      *
      * @see \Helper\Jsonapi::storeJsonMD()
      */
-    public function storeJsonMD($filename, $response, $limit = null, $ellipsis = null) {
+    public function storeJsonMD($filename, \Psr\Http\Message\ResponseInterface $response, $limit = NULL, $ellipsis = NULL) {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('storeJsonMD', func_get_args()));
     }
 }
diff --git a/tests/_support/_generated/UnitTesterActions.php b/tests/_support/_generated/UnitTesterActions.php
index a852f52..c07f08d 100644
--- a/tests/_support/_generated/UnitTesterActions.php
+++ b/tests/_support/_generated/UnitTesterActions.php
@@ -1,4 +1,4 @@
-<?php  //[STAMP] fa8df0490412d9204c4540517c0a830a
+<?php  //[STAMP] 0c514e6a0684bf12cca1e1c5550cee92
 namespace _generated;
 
 // This class was automatically generated by build task
@@ -39,7 +39,7 @@ trait UnitTesterActions
      * ```
      *
      * @deprecated Use expectThrowable() instead
-     * @param Exception|string $exception
+     * @param \Exception|string $exception
      * @param callable $callback
      * @see \Codeception\Module\Asserts::expectException()
      */
@@ -73,7 +73,7 @@ trait UnitTesterActions
      * });
      * ```
      *
-     * @param Throwable|string $throwable
+     * @param \Throwable|string $throwable
      * @param callable $callback
      * @see \Codeception\Module\Asserts::expectThrowable()
      */
@@ -91,7 +91,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileNotExists()
      */
-    public function assertFileNotExists($filename, $message = null) {
+    public function assertFileNotExists($filename, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileNotExists', func_get_args()));
     }
 
@@ -106,7 +106,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertGreaterOrEquals()
      */
-    public function assertGreaterOrEquals($expected, $actual, $message = null) {
+    public function assertGreaterOrEquals($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertGreaterOrEquals', func_get_args()));
     }
 
@@ -120,7 +120,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsEmpty()
      */
-    public function assertIsEmpty($actual, $message = null) {
+    public function assertIsEmpty($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsEmpty', func_get_args()));
     }
 
@@ -135,7 +135,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertLessOrEquals()
      */
-    public function assertLessOrEquals($expected, $actual, $message = null) {
+    public function assertLessOrEquals($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertLessOrEquals', func_get_args()));
     }
 
@@ -150,7 +150,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotRegExp()
      */
-    public function assertNotRegExp($pattern, $string, $message = null) {
+    public function assertNotRegExp($pattern, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotRegExp', func_get_args()));
     }
 
@@ -165,7 +165,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertRegExp()
      */
-    public function assertRegExp($pattern, $string, $message = null) {
+    public function assertRegExp($pattern, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertRegExp', func_get_args()));
     }
 
@@ -180,7 +180,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertThatItsNot()
      */
-    public function assertThatItsNot($value, $constraint, $message = null) {
+    public function assertThatItsNot($value, $constraint, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertThatItsNot', func_get_args()));
     }
 
@@ -195,7 +195,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertArrayHasKey()
      */
-    public function assertArrayHasKey($key, $array, $message = null) {
+    public function assertArrayHasKey($key, $array, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertArrayHasKey', func_get_args()));
     }
 
@@ -210,7 +210,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertArrayNotHasKey()
      */
-    public function assertArrayNotHasKey($key, $array, $message = null) {
+    public function assertArrayNotHasKey($key, $array, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertArrayNotHasKey', func_get_args()));
     }
 
@@ -225,7 +225,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertClassHasAttribute()
      */
-    public function assertClassHasAttribute($attributeName, $className, $message = null) {
+    public function assertClassHasAttribute($attributeName, $className, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertClassHasAttribute', func_get_args()));
     }
 
@@ -240,7 +240,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertClassHasStaticAttribute()
      */
-    public function assertClassHasStaticAttribute($attributeName, $className, $message = null) {
+    public function assertClassHasStaticAttribute($attributeName, $className, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertClassHasStaticAttribute', func_get_args()));
     }
 
@@ -255,7 +255,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertClassNotHasAttribute()
      */
-    public function assertClassNotHasAttribute($attributeName, $className, $message = null) {
+    public function assertClassNotHasAttribute($attributeName, $className, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertClassNotHasAttribute', func_get_args()));
     }
 
@@ -270,7 +270,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertClassNotHasStaticAttribute()
      */
-    public function assertClassNotHasStaticAttribute($attributeName, $className, $message = null) {
+    public function assertClassNotHasStaticAttribute($attributeName, $className, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertClassNotHasStaticAttribute', func_get_args()));
     }
 
@@ -285,7 +285,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertContains()
      */
-    public function assertContains($needle, $haystack, $message = null) {
+    public function assertContains($needle, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertContains', func_get_args()));
     }
 
@@ -298,7 +298,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertContainsEquals()
      */
-    public function assertContainsEquals($needle, $haystack, $message = null) {
+    public function assertContainsEquals($needle, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertContainsEquals', func_get_args()));
     }
 
@@ -314,7 +314,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertContainsOnly()
      */
-    public function assertContainsOnly($type, $haystack, $isNativeType = null, $message = null) {
+    public function assertContainsOnly($type, $haystack, $isNativeType = NULL, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertContainsOnly', func_get_args()));
     }
 
@@ -329,7 +329,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertContainsOnlyInstancesOf()
      */
-    public function assertContainsOnlyInstancesOf($className, $haystack, $message = null) {
+    public function assertContainsOnlyInstancesOf($className, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertContainsOnlyInstancesOf', func_get_args()));
     }
 
@@ -344,7 +344,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertCount()
      */
-    public function assertCount($expectedCount, $haystack, $message = null) {
+    public function assertCount($expectedCount, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertCount', func_get_args()));
     }
 
@@ -358,7 +358,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertDirectoryDoesNotExist()
      */
-    public function assertDirectoryDoesNotExist($directory, $message = null) {
+    public function assertDirectoryDoesNotExist($directory, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryDoesNotExist', func_get_args()));
     }
 
@@ -372,7 +372,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertDirectoryExists()
      */
-    public function assertDirectoryExists($directory, $message = null) {
+    public function assertDirectoryExists($directory, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryExists', func_get_args()));
     }
 
@@ -386,7 +386,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertDirectoryIsNotReadable()
      */
-    public function assertDirectoryIsNotReadable($directory, $message = null) {
+    public function assertDirectoryIsNotReadable($directory, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryIsNotReadable', func_get_args()));
     }
 
@@ -400,7 +400,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertDirectoryIsNotWritable()
      */
-    public function assertDirectoryIsNotWritable($directory, $message = null) {
+    public function assertDirectoryIsNotWritable($directory, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryIsNotWritable', func_get_args()));
     }
 
@@ -414,7 +414,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertDirectoryIsReadable()
      */
-    public function assertDirectoryIsReadable($directory, $message = null) {
+    public function assertDirectoryIsReadable($directory, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryIsReadable', func_get_args()));
     }
 
@@ -428,7 +428,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertDirectoryIsWritable()
      */
-    public function assertDirectoryIsWritable($directory, $message = null) {
+    public function assertDirectoryIsWritable($directory, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDirectoryIsWritable', func_get_args()));
     }
 
@@ -443,7 +443,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertDoesNotMatchRegularExpression()
      */
-    public function assertDoesNotMatchRegularExpression($pattern, $string, $message = null) {
+    public function assertDoesNotMatchRegularExpression($pattern, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertDoesNotMatchRegularExpression', func_get_args()));
     }
 
@@ -457,7 +457,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertEmpty()
      */
-    public function assertEmpty($actual, $message = null) {
+    public function assertEmpty($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEmpty', func_get_args()));
     }
 
@@ -472,7 +472,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertEquals()
      */
-    public function assertEquals($expected, $actual, $message = null) {
+    public function assertEquals($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEquals', func_get_args()));
     }
 
@@ -487,7 +487,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertEqualsCanonicalizing()
      */
-    public function assertEqualsCanonicalizing($expected, $actual, $message = null) {
+    public function assertEqualsCanonicalizing($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEqualsCanonicalizing', func_get_args()));
     }
 
@@ -502,7 +502,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertEqualsIgnoringCase()
      */
-    public function assertEqualsIgnoringCase($expected, $actual, $message = null) {
+    public function assertEqualsIgnoringCase($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEqualsIgnoringCase', func_get_args()));
     }
 
@@ -518,7 +518,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertEqualsWithDelta()
      */
-    public function assertEqualsWithDelta($expected, $actual, $delta, $message = null) {
+    public function assertEqualsWithDelta($expected, $actual, $delta, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertEqualsWithDelta', func_get_args()));
     }
 
@@ -532,7 +532,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFalse()
      */
-    public function assertFalse($condition, $message = null) {
+    public function assertFalse($condition, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFalse', func_get_args()));
     }
 
@@ -546,7 +546,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileDoesNotExist()
      */
-    public function assertFileDoesNotExist($filename, $message = null) {
+    public function assertFileDoesNotExist($filename, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileDoesNotExist', func_get_args()));
     }
 
@@ -561,7 +561,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileEquals()
      */
-    public function assertFileEquals($expected, $actual, $message = null) {
+    public function assertFileEquals($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileEquals', func_get_args()));
     }
 
@@ -576,7 +576,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileEqualsCanonicalizing()
      */
-    public function assertFileEqualsCanonicalizing($expected, $actual, $message = null) {
+    public function assertFileEqualsCanonicalizing($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileEqualsCanonicalizing', func_get_args()));
     }
 
@@ -591,7 +591,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileEqualsIgnoringCase()
      */
-    public function assertFileEqualsIgnoringCase($expected, $actual, $message = null) {
+    public function assertFileEqualsIgnoringCase($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileEqualsIgnoringCase', func_get_args()));
     }
 
@@ -605,7 +605,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileExists()
      */
-    public function assertFileExists($filename, $message = null) {
+    public function assertFileExists($filename, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileExists', func_get_args()));
     }
 
@@ -619,7 +619,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileIsNotReadable()
      */
-    public function assertFileIsNotReadable($file, $message = null) {
+    public function assertFileIsNotReadable($file, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileIsNotReadable', func_get_args()));
     }
 
@@ -633,7 +633,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileIsNotWritable()
      */
-    public function assertFileIsNotWritable($file, $message = null) {
+    public function assertFileIsNotWritable($file, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileIsNotWritable', func_get_args()));
     }
 
@@ -647,7 +647,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileIsReadable()
      */
-    public function assertFileIsReadable($file, $message = null) {
+    public function assertFileIsReadable($file, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileIsReadable', func_get_args()));
     }
 
@@ -661,7 +661,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileIsWritable()
      */
-    public function assertFileIsWritable($file, $message = null) {
+    public function assertFileIsWritable($file, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileIsWritable', func_get_args()));
     }
 
@@ -676,7 +676,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileNotEquals()
      */
-    public function assertFileNotEquals($expected, $actual, $message = null) {
+    public function assertFileNotEquals($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileNotEquals', func_get_args()));
     }
 
@@ -691,7 +691,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileNotEqualsCanonicalizing()
      */
-    public function assertFileNotEqualsCanonicalizing($expected, $actual, $message = null) {
+    public function assertFileNotEqualsCanonicalizing($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileNotEqualsCanonicalizing', func_get_args()));
     }
 
@@ -706,7 +706,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFileNotEqualsIgnoringCase()
      */
-    public function assertFileNotEqualsIgnoringCase($expected, $actual, $message = null) {
+    public function assertFileNotEqualsIgnoringCase($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFileNotEqualsIgnoringCase', func_get_args()));
     }
 
@@ -720,7 +720,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertFinite()
      */
-    public function assertFinite($actual, $message = null) {
+    public function assertFinite($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertFinite', func_get_args()));
     }
 
@@ -735,7 +735,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertGreaterThan()
      */
-    public function assertGreaterThan($expected, $actual, $message = null) {
+    public function assertGreaterThan($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertGreaterThan', func_get_args()));
     }
 
@@ -750,7 +750,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertGreaterThanOrEqual()
      */
-    public function assertGreaterThanOrEqual($expected, $actual, $message = null) {
+    public function assertGreaterThanOrEqual($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertGreaterThanOrEqual', func_get_args()));
     }
 
@@ -764,7 +764,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertInfinite()
      */
-    public function assertInfinite($actual, $message = null) {
+    public function assertInfinite($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertInfinite', func_get_args()));
     }
 
@@ -779,7 +779,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertInstanceOf()
      */
-    public function assertInstanceOf($expected, $actual, $message = null) {
+    public function assertInstanceOf($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertInstanceOf', func_get_args()));
     }
 
@@ -793,7 +793,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsArray()
      */
-    public function assertIsArray($actual, $message = null) {
+    public function assertIsArray($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsArray', func_get_args()));
     }
 
@@ -807,7 +807,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsBool()
      */
-    public function assertIsBool($actual, $message = null) {
+    public function assertIsBool($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsBool', func_get_args()));
     }
 
@@ -821,7 +821,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsCallable()
      */
-    public function assertIsCallable($actual, $message = null) {
+    public function assertIsCallable($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsCallable', func_get_args()));
     }
 
@@ -835,7 +835,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsClosedResource()
      */
-    public function assertIsClosedResource($actual, $message = null) {
+    public function assertIsClosedResource($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsClosedResource', func_get_args()));
     }
 
@@ -849,7 +849,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsFloat()
      */
-    public function assertIsFloat($actual, $message = null) {
+    public function assertIsFloat($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsFloat', func_get_args()));
     }
 
@@ -863,7 +863,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsInt()
      */
-    public function assertIsInt($actual, $message = null) {
+    public function assertIsInt($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsInt', func_get_args()));
     }
 
@@ -877,7 +877,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsIterable()
      */
-    public function assertIsIterable($actual, $message = null) {
+    public function assertIsIterable($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsIterable', func_get_args()));
     }
 
@@ -891,7 +891,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotArray()
      */
-    public function assertIsNotArray($actual, $message = null) {
+    public function assertIsNotArray($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotArray', func_get_args()));
     }
 
@@ -905,7 +905,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotBool()
      */
-    public function assertIsNotBool($actual, $message = null) {
+    public function assertIsNotBool($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotBool', func_get_args()));
     }
 
@@ -919,7 +919,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotCallable()
      */
-    public function assertIsNotCallable($actual, $message = null) {
+    public function assertIsNotCallable($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotCallable', func_get_args()));
     }
 
@@ -933,7 +933,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotClosedResource()
      */
-    public function assertIsNotClosedResource($actual, $message = null) {
+    public function assertIsNotClosedResource($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotClosedResource', func_get_args()));
     }
 
@@ -947,7 +947,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotFloat()
      */
-    public function assertIsNotFloat($actual, $message = null) {
+    public function assertIsNotFloat($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotFloat', func_get_args()));
     }
 
@@ -961,7 +961,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotInt()
      */
-    public function assertIsNotInt($actual, $message = null) {
+    public function assertIsNotInt($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotInt', func_get_args()));
     }
 
@@ -975,7 +975,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotIterable()
      */
-    public function assertIsNotIterable($actual, $message = null) {
+    public function assertIsNotIterable($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotIterable', func_get_args()));
     }
 
@@ -989,7 +989,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotNumeric()
      */
-    public function assertIsNotNumeric($actual, $message = null) {
+    public function assertIsNotNumeric($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotNumeric', func_get_args()));
     }
 
@@ -1003,7 +1003,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotObject()
      */
-    public function assertIsNotObject($actual, $message = null) {
+    public function assertIsNotObject($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotObject', func_get_args()));
     }
 
@@ -1017,7 +1017,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotReadable()
      */
-    public function assertIsNotReadable($filename, $message = null) {
+    public function assertIsNotReadable($filename, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotReadable', func_get_args()));
     }
 
@@ -1031,7 +1031,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotResource()
      */
-    public function assertIsNotResource($actual, $message = null) {
+    public function assertIsNotResource($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotResource', func_get_args()));
     }
 
@@ -1045,7 +1045,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotScalar()
      */
-    public function assertIsNotScalar($actual, $message = null) {
+    public function assertIsNotScalar($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotScalar', func_get_args()));
     }
 
@@ -1059,7 +1059,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotString()
      */
-    public function assertIsNotString($actual, $message = null) {
+    public function assertIsNotString($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotString', func_get_args()));
     }
 
@@ -1073,7 +1073,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNotWritable()
      */
-    public function assertIsNotWritable($filename, $message = null) {
+    public function assertIsNotWritable($filename, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNotWritable', func_get_args()));
     }
 
@@ -1087,7 +1087,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsNumeric()
      */
-    public function assertIsNumeric($actual, $message = null) {
+    public function assertIsNumeric($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsNumeric', func_get_args()));
     }
 
@@ -1101,7 +1101,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsObject()
      */
-    public function assertIsObject($actual, $message = null) {
+    public function assertIsObject($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsObject', func_get_args()));
     }
 
@@ -1115,7 +1115,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsReadable()
      */
-    public function assertIsReadable($filename, $message = null) {
+    public function assertIsReadable($filename, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsReadable', func_get_args()));
     }
 
@@ -1129,7 +1129,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsResource()
      */
-    public function assertIsResource($actual, $message = null) {
+    public function assertIsResource($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsResource', func_get_args()));
     }
 
@@ -1143,7 +1143,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsScalar()
      */
-    public function assertIsScalar($actual, $message = null) {
+    public function assertIsScalar($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsScalar', func_get_args()));
     }
 
@@ -1157,7 +1157,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsString()
      */
-    public function assertIsString($actual, $message = null) {
+    public function assertIsString($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsString', func_get_args()));
     }
 
@@ -1171,7 +1171,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertIsWritable()
      */
-    public function assertIsWritable($filename, $message = null) {
+    public function assertIsWritable($filename, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertIsWritable', func_get_args()));
     }
 
@@ -1185,7 +1185,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertJson()
      */
-    public function assertJson($actualJson, $message = null) {
+    public function assertJson($actualJson, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJson', func_get_args()));
     }
 
@@ -1200,7 +1200,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertJsonFileEqualsJsonFile()
      */
-    public function assertJsonFileEqualsJsonFile($expectedFile, $actualFile, $message = null) {
+    public function assertJsonFileEqualsJsonFile($expectedFile, $actualFile, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonFileEqualsJsonFile', func_get_args()));
     }
 
@@ -1215,7 +1215,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertJsonFileNotEqualsJsonFile()
      */
-    public function assertJsonFileNotEqualsJsonFile($expectedFile, $actualFile, $message = null) {
+    public function assertJsonFileNotEqualsJsonFile($expectedFile, $actualFile, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonFileNotEqualsJsonFile', func_get_args()));
     }
 
@@ -1230,7 +1230,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertJsonStringEqualsJsonFile()
      */
-    public function assertJsonStringEqualsJsonFile($expectedFile, $actualJson, $message = null) {
+    public function assertJsonStringEqualsJsonFile($expectedFile, $actualJson, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonStringEqualsJsonFile', func_get_args()));
     }
 
@@ -1245,7 +1245,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertJsonStringEqualsJsonString()
      */
-    public function assertJsonStringEqualsJsonString($expectedJson, $actualJson, $message = null) {
+    public function assertJsonStringEqualsJsonString($expectedJson, $actualJson, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonStringEqualsJsonString', func_get_args()));
     }
 
@@ -1260,7 +1260,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertJsonStringNotEqualsJsonFile()
      */
-    public function assertJsonStringNotEqualsJsonFile($expectedFile, $actualJson, $message = null) {
+    public function assertJsonStringNotEqualsJsonFile($expectedFile, $actualJson, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonStringNotEqualsJsonFile', func_get_args()));
     }
 
@@ -1275,7 +1275,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertJsonStringNotEqualsJsonString()
      */
-    public function assertJsonStringNotEqualsJsonString($expectedJson, $actualJson, $message = null) {
+    public function assertJsonStringNotEqualsJsonString($expectedJson, $actualJson, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertJsonStringNotEqualsJsonString', func_get_args()));
     }
 
@@ -1290,7 +1290,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertLessThan()
      */
-    public function assertLessThan($expected, $actual, $message = null) {
+    public function assertLessThan($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertLessThan', func_get_args()));
     }
 
@@ -1305,7 +1305,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertLessThanOrEqual()
      */
-    public function assertLessThanOrEqual($expected, $actual, $message = null) {
+    public function assertLessThanOrEqual($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertLessThanOrEqual', func_get_args()));
     }
 
@@ -1320,7 +1320,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertMatchesRegularExpression()
      */
-    public function assertMatchesRegularExpression($pattern, $string, $message = null) {
+    public function assertMatchesRegularExpression($pattern, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertMatchesRegularExpression', func_get_args()));
     }
 
@@ -1334,7 +1334,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNan()
      */
-    public function assertNan($actual, $message = null) {
+    public function assertNan($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNan', func_get_args()));
     }
 
@@ -1349,7 +1349,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotContains()
      */
-    public function assertNotContains($needle, $haystack, $message = null) {
+    public function assertNotContains($needle, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotContains', func_get_args()));
     }
 
@@ -1360,7 +1360,7 @@ trait UnitTesterActions
      *
      * @see \Codeception\Module\AbstractAsserts::assertNotContainsEquals()
      */
-    public function assertNotContainsEquals($needle, $haystack, $message = null) {
+    public function assertNotContainsEquals($needle, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotContainsEquals', func_get_args()));
     }
 
@@ -1376,7 +1376,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotContainsOnly()
      */
-    public function assertNotContainsOnly($type, $haystack, $isNativeType = null, $message = null) {
+    public function assertNotContainsOnly($type, $haystack, $isNativeType = NULL, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotContainsOnly', func_get_args()));
     }
 
@@ -1391,7 +1391,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotCount()
      */
-    public function assertNotCount($expectedCount, $haystack, $message = null) {
+    public function assertNotCount($expectedCount, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotCount', func_get_args()));
     }
 
@@ -1405,7 +1405,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotEmpty()
      */
-    public function assertNotEmpty($actual, $message = null) {
+    public function assertNotEmpty($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEmpty', func_get_args()));
     }
 
@@ -1420,7 +1420,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotEquals()
      */
-    public function assertNotEquals($expected, $actual, $message = null) {
+    public function assertNotEquals($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEquals', func_get_args()));
     }
 
@@ -1435,7 +1435,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotEqualsCanonicalizing()
      */
-    public function assertNotEqualsCanonicalizing($expected, $actual, $message = null) {
+    public function assertNotEqualsCanonicalizing($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEqualsCanonicalizing', func_get_args()));
     }
 
@@ -1450,7 +1450,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotEqualsIgnoringCase()
      */
-    public function assertNotEqualsIgnoringCase($expected, $actual, $message = null) {
+    public function assertNotEqualsIgnoringCase($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEqualsIgnoringCase', func_get_args()));
     }
 
@@ -1466,7 +1466,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotEqualsWithDelta()
      */
-    public function assertNotEqualsWithDelta($expected, $actual, $delta, $message = null) {
+    public function assertNotEqualsWithDelta($expected, $actual, $delta, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotEqualsWithDelta', func_get_args()));
     }
 
@@ -1480,7 +1480,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotFalse()
      */
-    public function assertNotFalse($condition, $message = null) {
+    public function assertNotFalse($condition, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotFalse', func_get_args()));
     }
 
@@ -1495,7 +1495,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotInstanceOf()
      */
-    public function assertNotInstanceOf($expected, $actual, $message = null) {
+    public function assertNotInstanceOf($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotInstanceOf', func_get_args()));
     }
 
@@ -1509,7 +1509,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotNull()
      */
-    public function assertNotNull($actual, $message = null) {
+    public function assertNotNull($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotNull', func_get_args()));
     }
 
@@ -1524,7 +1524,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotSame()
      */
-    public function assertNotSame($expected, $actual, $message = null) {
+    public function assertNotSame($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotSame', func_get_args()));
     }
 
@@ -1539,7 +1539,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotSameSize()
      */
-    public function assertNotSameSize($expected, $actual, $message = null) {
+    public function assertNotSameSize($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotSameSize', func_get_args()));
     }
 
@@ -1553,7 +1553,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNotTrue()
      */
-    public function assertNotTrue($condition, $message = null) {
+    public function assertNotTrue($condition, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNotTrue', func_get_args()));
     }
 
@@ -1567,7 +1567,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertNull()
      */
-    public function assertNull($actual, $message = null) {
+    public function assertNull($actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertNull', func_get_args()));
     }
 
@@ -1582,7 +1582,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertObjectHasAttribute()
      */
-    public function assertObjectHasAttribute($attributeName, $object, $message = null) {
+    public function assertObjectHasAttribute($attributeName, $object, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertObjectHasAttribute', func_get_args()));
     }
 
@@ -1597,7 +1597,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertObjectNotHasAttribute()
      */
-    public function assertObjectNotHasAttribute($attributeName, $object, $message = null) {
+    public function assertObjectNotHasAttribute($attributeName, $object, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertObjectNotHasAttribute', func_get_args()));
     }
 
@@ -1612,7 +1612,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertSame()
      */
-    public function assertSame($expected, $actual, $message = null) {
+    public function assertSame($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertSame', func_get_args()));
     }
 
@@ -1627,7 +1627,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertSameSize()
      */
-    public function assertSameSize($expected, $actual, $message = null) {
+    public function assertSameSize($expected, $actual, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertSameSize', func_get_args()));
     }
 
@@ -1640,7 +1640,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringContainsString()
      */
-    public function assertStringContainsString($needle, $haystack, $message = null) {
+    public function assertStringContainsString($needle, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringContainsString', func_get_args()));
     }
 
@@ -1651,7 +1651,7 @@ trait UnitTesterActions
      *
      * @see \Codeception\Module\AbstractAsserts::assertStringContainsStringIgnoringCase()
      */
-    public function assertStringContainsStringIgnoringCase($needle, $haystack, $message = null) {
+    public function assertStringContainsStringIgnoringCase($needle, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringContainsStringIgnoringCase', func_get_args()));
     }
 
@@ -1666,7 +1666,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringEndsNotWith()
      */
-    public function assertStringEndsNotWith($suffix, $string, $message = null) {
+    public function assertStringEndsNotWith($suffix, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEndsNotWith', func_get_args()));
     }
 
@@ -1681,7 +1681,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringEndsWith()
      */
-    public function assertStringEndsWith($suffix, $string, $message = null) {
+    public function assertStringEndsWith($suffix, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEndsWith', func_get_args()));
     }
 
@@ -1696,7 +1696,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringEqualsFile()
      */
-    public function assertStringEqualsFile($expectedFile, $actualString, $message = null) {
+    public function assertStringEqualsFile($expectedFile, $actualString, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEqualsFile', func_get_args()));
     }
 
@@ -1711,7 +1711,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringEqualsFileCanonicalizing()
      */
-    public function assertStringEqualsFileCanonicalizing($expectedFile, $actualString, $message = null) {
+    public function assertStringEqualsFileCanonicalizing($expectedFile, $actualString, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEqualsFileCanonicalizing', func_get_args()));
     }
 
@@ -1726,7 +1726,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringEqualsFileIgnoringCase()
      */
-    public function assertStringEqualsFileIgnoringCase($expectedFile, $actualString, $message = null) {
+    public function assertStringEqualsFileIgnoringCase($expectedFile, $actualString, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringEqualsFileIgnoringCase', func_get_args()));
     }
 
@@ -1741,7 +1741,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringMatchesFormat()
      */
-    public function assertStringMatchesFormat($format, $string, $message = null) {
+    public function assertStringMatchesFormat($format, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringMatchesFormat', func_get_args()));
     }
 
@@ -1756,7 +1756,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringMatchesFormatFile()
      */
-    public function assertStringMatchesFormatFile($formatFile, $string, $message = null) {
+    public function assertStringMatchesFormatFile($formatFile, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringMatchesFormatFile', func_get_args()));
     }
 
@@ -1769,7 +1769,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringNotContainsString()
      */
-    public function assertStringNotContainsString($needle, $haystack, $message = null) {
+    public function assertStringNotContainsString($needle, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotContainsString', func_get_args()));
     }
 
@@ -1782,7 +1782,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringNotContainsStringIgnoringCase()
      */
-    public function assertStringNotContainsStringIgnoringCase($needle, $haystack, $message = null) {
+    public function assertStringNotContainsStringIgnoringCase($needle, $haystack, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotContainsStringIgnoringCase', func_get_args()));
     }
 
@@ -1797,7 +1797,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringNotEqualsFile()
      */
-    public function assertStringNotEqualsFile($expectedFile, $actualString, $message = null) {
+    public function assertStringNotEqualsFile($expectedFile, $actualString, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotEqualsFile', func_get_args()));
     }
 
@@ -1811,7 +1811,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringNotEqualsFileCanonicalizing()
      */
-    public function assertStringNotEqualsFileCanonicalizing($expectedFile, $actualString, $message = null) {
+    public function assertStringNotEqualsFileCanonicalizing($expectedFile, $actualString, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotEqualsFileCanonicalizing', func_get_args()));
     }
 
@@ -1826,7 +1826,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringNotEqualsFileIgnoringCase()
      */
-    public function assertStringNotEqualsFileIgnoringCase($expectedFile, $actualString, $message = null) {
+    public function assertStringNotEqualsFileIgnoringCase($expectedFile, $actualString, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotEqualsFileIgnoringCase', func_get_args()));
     }
 
@@ -1841,7 +1841,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringNotMatchesFormat()
      */
-    public function assertStringNotMatchesFormat($format, $string, $message = null) {
+    public function assertStringNotMatchesFormat($format, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotMatchesFormat', func_get_args()));
     }
 
@@ -1856,7 +1856,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringNotMatchesFormatFile()
      */
-    public function assertStringNotMatchesFormatFile($formatFile, $string, $message = null) {
+    public function assertStringNotMatchesFormatFile($formatFile, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringNotMatchesFormatFile', func_get_args()));
     }
 
@@ -1871,7 +1871,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringStartsNotWith()
      */
-    public function assertStringStartsNotWith($prefix, $string, $message = null) {
+    public function assertStringStartsNotWith($prefix, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringStartsNotWith', func_get_args()));
     }
 
@@ -1886,7 +1886,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertStringStartsWith()
      */
-    public function assertStringStartsWith($prefix, $string, $message = null) {
+    public function assertStringStartsWith($prefix, $string, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertStringStartsWith', func_get_args()));
     }
 
@@ -1901,7 +1901,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertThat()
      */
-    public function assertThat($value, $constraint, $message = null) {
+    public function assertThat($value, $constraint, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertThat', func_get_args()));
     }
 
@@ -1915,7 +1915,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertTrue()
      */
-    public function assertTrue($condition, $message = null) {
+    public function assertTrue($condition, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertTrue', func_get_args()));
     }
 
@@ -1930,7 +1930,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertXmlFileEqualsXmlFile()
      */
-    public function assertXmlFileEqualsXmlFile($expectedFile, $actualFile, $message = null) {
+    public function assertXmlFileEqualsXmlFile($expectedFile, $actualFile, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlFileEqualsXmlFile', func_get_args()));
     }
 
@@ -1945,7 +1945,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertXmlFileNotEqualsXmlFile()
      */
-    public function assertXmlFileNotEqualsXmlFile($expectedFile, $actualFile, $message = null) {
+    public function assertXmlFileNotEqualsXmlFile($expectedFile, $actualFile, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlFileNotEqualsXmlFile', func_get_args()));
     }
 
@@ -1960,7 +1960,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertXmlStringEqualsXmlFile()
      */
-    public function assertXmlStringEqualsXmlFile($expectedFile, $actualXml, $message = null) {
+    public function assertXmlStringEqualsXmlFile($expectedFile, $actualXml, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlStringEqualsXmlFile', func_get_args()));
     }
 
@@ -1975,7 +1975,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertXmlStringEqualsXmlString()
      */
-    public function assertXmlStringEqualsXmlString($expectedXml, $actualXml, $message = null) {
+    public function assertXmlStringEqualsXmlString($expectedXml, $actualXml, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlStringEqualsXmlString', func_get_args()));
     }
 
@@ -1990,7 +1990,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertXmlStringNotEqualsXmlFile()
      */
-    public function assertXmlStringNotEqualsXmlFile($expectedFile, $actualXml, $message = null) {
+    public function assertXmlStringNotEqualsXmlFile($expectedFile, $actualXml, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlStringNotEqualsXmlFile', func_get_args()));
     }
 
@@ -2005,7 +2005,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::assertXmlStringNotEqualsXmlString()
      */
-    public function assertXmlStringNotEqualsXmlString($expectedXml, $actualXml, $message = null) {
+    public function assertXmlStringNotEqualsXmlString($expectedXml, $actualXml, $message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('assertXmlStringNotEqualsXmlString', func_get_args()));
     }
 
@@ -2018,7 +2018,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::fail()
      */
-    public function fail($message = null) {
+    public function fail($message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('fail', func_get_args()));
     }
 
@@ -2031,7 +2031,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::markTestIncomplete()
      */
-    public function markTestIncomplete($message = null) {
+    public function markTestIncomplete($message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('markTestIncomplete', func_get_args()));
     }
 
@@ -2044,7 +2044,7 @@ trait UnitTesterActions
      * @param string $message
      * @see \Codeception\Module\AbstractAsserts::markTestSkipped()
      */
-    public function markTestSkipped($message = null) {
+    public function markTestSkipped($message = "") {
         return $this->getScenario()->runStep(new \Codeception\Step\Action('markTestSkipped', func_get_args()));
     }
 }
diff --git a/tests/jsonapi/UserEventsIcalTest.php b/tests/jsonapi/UserEventsIcalTest.php
index 359763f..bf3d2ba 100644
--- a/tests/jsonapi/UserEventsIcalTest.php
+++ b/tests/jsonapi/UserEventsIcalTest.php
@@ -42,7 +42,7 @@ class UserEventsIcalTest extends \Codeception\Test\Unit
         $response = $app($requestBuilder->getRequest(), new \Slim\Http\Response());
 
         $this->tester->assertEquals(200, $response->getStatusCode());
-        $this->tester->assertContains('BEGIN:VEVENT', (string) $response->getBody());
-        $this->tester->assertContains('SUMMARY:blypyp', (string) $response->getBody());
+        $this->tester->assertStringContainsString('BEGIN:VEVENT', (string) $response->getBody());
+        $this->tester->assertStringContainsString('SUMMARY:blypyp', (string) $response->getBody());
     }
 }
diff --git a/tests/jsonapi/WikiCreateTest.php b/tests/jsonapi/WikiCreateTest.php
index 993fe74..114d450 100644
--- a/tests/jsonapi/WikiCreateTest.php
+++ b/tests/jsonapi/WikiCreateTest.php
@@ -55,6 +55,7 @@ class WikiCreateTest extends \Codeception\Test\Unit
             '/courses/{id}/wiki',
             WikiCreate::class
         );
+        $app->get('/wiki-pages/{id}', function () {})->setName('get-wiki-page');
 
         return $this->tester->sendMockRequest(
             $app,
diff --git a/tests/jsonapi/WikiIndexTest.php b/tests/jsonapi/WikiIndexTest.php
index 3fe78a1..1113672 100644
--- a/tests/jsonapi/WikiIndexTest.php
+++ b/tests/jsonapi/WikiIndexTest.php
@@ -23,7 +23,7 @@ class WikiIndexTest extends \Codeception\Test\Unit
     {
         $credentials = $this->tester->getCredentialsForTestAutor();
         $rangeId = 'a07535cf2f8a72df33c12ddfa4b53dde';
-        $body = studip_utf8decode('Es gibt im Moment in diese Mannschaft, oh, einige Spieler vergessen ihren Profi was sie sind. Ich lese nicht sehr viele Zeitungen, aberich habe gehört viele Situationen. Erstens: Wir haben nicht offensivgespielt.');
+        $body = 'Es gibt im Moment in diese Mannschaft, oh, einige Spieler vergessen ihren Profi was sie sind. Ich lese nicht sehr viele Zeitungen, aberich habe gehört viele Situationen. Erstens: Wir haben nicht offensivgespielt.';
 
         $this->createWikiPage($credentials['id'], $rangeId, 'yxilo', $body);
         $this->createWikiPage($credentials['id'], $rangeId, 'ulyq', $body);
@@ -37,7 +37,7 @@ class WikiIndexTest extends \Codeception\Test\Unit
         $this->tester->assertCount(count($countPages), $wikiPages);
 
         $wikiPage = current($wikiPages);
-        $this->tester->assertEquals($body, studip_utf8decode($wikiPage->attribute('content')));
+        $this->tester->assertEquals($body, $wikiPage->attribute('content'));
 
         $this->tester->storeJsonMd('get_wiki_pages', $response, 2, '[...]');
     }
@@ -46,6 +46,7 @@ class WikiIndexTest extends \Codeception\Test\Unit
     private function getWikiIndex($credentials, $rangeId)
     {
         $app = $this->tester->createApp($credentials, 'get', '/courses/{id}/wiki', WikiIndex::class);
+        $app->get('/wiki-pages/{id}', function () {})->setName('get-wiki-page');
 
         return $this->tester->sendMockRequest(
             $app,
diff --git a/tests/jsonapi/WikiShowTest.php b/tests/jsonapi/WikiShowTest.php
index 310708b..51135fc 100644
--- a/tests/jsonapi/WikiShowTest.php
+++ b/tests/jsonapi/WikiShowTest.php
@@ -55,7 +55,7 @@ class WikiShowTest extends \Codeception\Test\Unit
     private function createWikiPage($rangeId, $keyword, $body)
     {
         $wikiPage = new \WikiPage([$rangeId, $keyword, 0]);
-        $wikiPage->body = studip_utf8decode($body);
+        $wikiPage->body = $body;
         $wikiPage->user_id = 'nobody';
         $wikiPage->store();
 
diff --git a/tests/jsonapi/WikiUpdateTest.php b/tests/jsonapi/WikiUpdateTest.php
index 606ae65..380952b 100644
--- a/tests/jsonapi/WikiUpdateTest.php
+++ b/tests/jsonapi/WikiUpdateTest.php
@@ -48,6 +48,7 @@ class WikiUpdateTest extends \Codeception\Test\Unit
             ],
         ];
         $app = $this->tester->createApp($credentials, 'patch', '/wiki-pages/{id}', WikiUpdate::class);
+        $app->get('/wiki-pages/{id}', function () {})->setName('get-wiki-page');
 
         return $this->tester->sendMockRequest(
                 $app,
@@ -62,7 +63,7 @@ class WikiUpdateTest extends \Codeception\Test\Unit
     private function createWikiPage($rangeId, $keyword, $body)
     {
         $wikiPage = new \WikiPage([$rangeId, $keyword, 0]);
-        $wikiPage->body = studip_utf8decode($body);
+        $wikiPage->body = $body;
         $wikiPage->user_id = 'nobody';
         $wikiPage->store();
 
diff --git a/tests/unit/_bootstrap.php b/tests/unit/_bootstrap.php
index cfa78f6..31c5c6b 100644
--- a/tests/unit/_bootstrap.php
+++ b/tests/unit/_bootstrap.php
@@ -38,8 +38,13 @@ require_once 'varstream.php';
 define("TEST_FIXTURES_PATH", dirname(__DIR__) . "/_data/");
 
 require __DIR__ . '/../../composer/autoload.php';
+
+global $STUDIP_BASE_PATH;
+$STUDIP_BASE_PATH = realpath(dirname(dirname(__FILE__)) . '/..');
+
 require 'lib/classes/StudipAutoloader.php';
 require 'lib/functions.php';
+require 'lib/visual.inc.php';
 
 StudipAutoloader::setBasePath(realpath(__DIR__ . '/../..'));
 StudipAutoloader::register();
diff --git a/tests/unit/lib/CalendarcolumnClassTest.php b/tests/unit/lib/CalendarcolumnClassTest.php
index 4171a89..063f97e 100644
--- a/tests/unit/lib/CalendarcolumnClassTest.php
+++ b/tests/unit/lib/CalendarcolumnClassTest.php
@@ -14,11 +14,11 @@ require_once 'lib/calendar/CalendarColumn.class.php';
 class CalendarColumnCase extends \Codeception\Test\Unit {
 
 
-    function setUp() {
+    function setUp(): void {
     }
 
 
-    function tearDown() {
+    function tearDown(): void {
     }
 
 
@@ -62,11 +62,11 @@ class CalendarColumnCase extends \Codeception\Test\Unit {
         $entry = ['start' => "1200", 'end' => "1230", 'title' => "test_title_number_2"];
         $column->addEntry($entry);
         $entries = $column->getEntries();
-        $this->assertInternalType("array", $entries);
+        $this->assertIsArray($entries);
         $this->assertEquals(2, count($entries));
         $this->assertNotEquals($entries[0], $entry);
         $this->assertEquals($entry, $entries[1]);
-        $this->assertInternalType("array", $entries[1]);
+        $this->assertIsArray($entries[1]);
     }
 
     function test_wrong_entry() {
@@ -85,7 +85,7 @@ class CalendarColumnCase extends \Codeception\Test\Unit {
             ['start' => "1200", 'end' => "1400", 'title' => "test_title"]
         ];
         $column = CalendarColumn::create()->addEntries($entries);
-        $this->assertInternalType('array', $column->getEntries());
+        $this->assertIsArray($column->getEntries());
     }
 
     function test_erase_entries() {
@@ -93,7 +93,7 @@ class CalendarColumnCase extends \Codeception\Test\Unit {
         $column = CalendarColumn::create()->addEntry($entry);
         $column->eraseEntries();
         $entries = $column->getEntries();
-        $this->assertInternalType("array", $entries);
+        $this->assertIsArray($entries);
         $this->assertEquals(0, count($entries));
     }
 
diff --git a/tests/unit/lib/CalendarviewClassTest.php b/tests/unit/lib/CalendarviewClassTest.php
index 074f40a..962cd06 100644
--- a/tests/unit/lib/CalendarviewClassTest.php
+++ b/tests/unit/lib/CalendarviewClassTest.php
@@ -14,11 +14,11 @@ require_once 'lib/calendar/CalendarView.class.php';
 class CalendarViewCase extends \Codeception\Test\Unit {
 
 
-    function setUp() {
+    function setUp(): void {
     }
 
 
-    function tearDown() {
+    function tearDown(): void {
     }
 
 
@@ -56,7 +56,7 @@ class CalendarViewCase extends \Codeception\Test\Unit {
         $id2 = 4;
         $view->addColumn($title2, "", $id2);
         $columns = $view->getColumns();
-        $this->assertInternalType("array", $columns);
+        $this->assertIsArray($columns);
         $this->assertInstanceOf("CalendarColumn", $columns[0]);
         $this->assertEquals($title1, $columns[0]->getTitle());
         $this->assertEquals($id1, $columns[0]->getId());
@@ -87,7 +87,7 @@ class CalendarViewCase extends \Codeception\Test\Unit {
         ];
         $view->addEntry($entry);
         $entries = $view->getEntries();
-        $this->assertInternalType("array", $entries);
+        $this->assertIsArray($entries);
         $this->assertNotNull($entries['day_'.$id]);
     }
 
@@ -101,5 +101,3 @@ class CalendarViewCase extends \Codeception\Test\Unit {
     //Die anderen Methoden muss Till testen.
 
 }
-
-
diff --git a/tests/unit/lib/VisualTest.php b/tests/unit/lib/VisualTest.php
index 3d2f03a..f3157b1 100644
--- a/tests/unit/lib/VisualTest.php
+++ b/tests/unit/lib/VisualTest.php
@@ -17,7 +17,7 @@ require_once 'lib/classes/SmileyFormat.php';
 
 class VisualFunctionsTest extends \Codeception\Test\Unit
 {
-    public function setUp()
+    public function setUp(): void
     {
         static $config = [
             'LOAD_EXTERNAL_MEDIA' => 'allow',
@@ -30,7 +30,7 @@ class VisualFunctionsTest extends \Codeception\Test\Unit
         $GLOBALS['SYMBOL_SHORT'] = [];
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         $GLOBALS['SMILEY_NO_DB'] = false;
     }
diff --git a/tests/unit/lib/classes/AssetsClassTest.php b/tests/unit/lib/classes/AssetsClassTest.php
index 967bde0..d87499c 100644
--- a/tests/unit/lib/classes/AssetsClassTest.php
+++ b/tests/unit/lib/classes/AssetsClassTest.php
@@ -26,12 +26,12 @@ define('DYNAMIC_ASSETS_URL', 'http://www%d.example.com/public/');
 class AssetsTestCase extends \Codeception\Test\Unit {
 
 
-  function setUp() {
+  function setUp(): void {
     Assets::set_assets_url(STATIC_ASSETS_URL);
   }
 
 
-  function tearDown() {
+  function tearDown(): void {
     Assets::set_assets_url('');
   }
 
@@ -57,12 +57,12 @@ class DynamicAssetsTestCase extends \Codeception\Test\Unit
 {
 
 
-  function setUp() {
+  function setUp(): void {
     Assets::set_assets_url(DYNAMIC_ASSETS_URL);
   }
 
 
-  function tearDown() {
+  function tearDown(): void {
     Assets::set_assets_url('');
   }
 
@@ -90,12 +90,12 @@ class AssetsHelpersTestCase extends \Codeception\Test\Unit
 {
 
 
-  function setUp() {
+  function setUp(): void {
     Assets::set_assets_url(STATIC_ASSETS_URL);
   }
 
 
-  function tearDown() {
+  function tearDown(): void {
     Assets::set_assets_url('');
   }
 
diff --git a/tests/unit/lib/classes/AvatarClassTest.php b/tests/unit/lib/classes/AvatarClassTest.php
index cc7bbbc..f531b26 100644
--- a/tests/unit/lib/classes/AvatarClassTest.php
+++ b/tests/unit/lib/classes/AvatarClassTest.php
@@ -22,7 +22,7 @@ require_once 'lib/phplib/Seminar_Perm.class.php';
  */
 class AvatarTestCase extends  \Codeception\Test\Unit {
 
-    function setUp()
+    function setUp(): void
     {
         $stub = $this->createMock('Seminar_Perm');
         // Configure the stub.
@@ -37,7 +37,7 @@ class AvatarTestCase extends  \Codeception\Test\Unit {
         $this->avatar = Avatar::getAvatar($this->avatar_id);
     }
 
-  function tearDown() {
+  function tearDown(): void {
     unset($GLOBALS['DYNAMIC_CONTENT_PATH'], $GLOBALS['DYNAMIC_CONTENT_URL']);
   }
 
@@ -70,7 +70,7 @@ class AvatarTestCase extends  \Codeception\Test\Unit {
 class CourseAvatarTestCase extends \Codeception\Test\Unit
 {
 
-  function setUp() {
+  function setUp(): void {
     $this->avatar_id = "123456789";
     $this->avatar = CourseAvatar::getAvatar($this->avatar_id);
 
@@ -96,7 +96,7 @@ class CourseAvatarTestCase extends \Codeception\Test\Unit
     }
   }
 
-  function tearDown() {
+  function tearDown(): void {
     stream_wrapper_unregister("var");
     unset($GLOBALS['DYNAMIC_CONTENT_PATH'], $GLOBALS['DYNAMIC_CONTENT_URL']);
   }
diff --git a/tests/unit/lib/classes/CronjobScheduleTest.php b/tests/unit/lib/classes/CronjobScheduleTest.php
index e218b7e..18ead9b 100644
--- a/tests/unit/lib/classes/CronjobScheduleTest.php
+++ b/tests/unit/lib/classes/CronjobScheduleTest.php
@@ -14,14 +14,14 @@ class CronjobTestSchedule extends SimpleORMap
 
 class CronjobScheduleTest extends \Codeception\Test\Unit
 {
-    function setUp()
+    function setUp(): void
     {
         date_default_timezone_set('Europe/Berlin');
 
         StudipTestHelper::set_up_tables(['cronjobs_schedules', 'cronjobs_tasks']);
     }
 
-    function tearDown()
+    function tearDown(): void
     {
         StudipTestHelper::tear_down_tables();
     }
diff --git a/tests/unit/lib/classes/CsrfProtectionTest.php b/tests/unit/lib/classes/CsrfProtectionTest.php
index ce556b8..5bdbb30 100644
--- a/tests/unit/lib/classes/CsrfProtectionTest.php
+++ b/tests/unit/lib/classes/CsrfProtectionTest.php
@@ -12,7 +12,7 @@
 
 class CSRFProtectionTokenTest extends \Codeception\Test\Unit
 {
-    function setUp()
+    function setUp(): void
     {
         if (session_id() === '') {
             session_id("test-session");
@@ -21,7 +21,7 @@ class CSRFProtectionTokenTest extends \Codeception\Test\Unit
         $_SESSION = [];
     }
 
-    function tearDown()
+    function tearDown(): void
     {
         $_SESSION = $this->original_session;
     }
@@ -52,7 +52,7 @@ class CSRFProtectionTokenTest extends \Codeception\Test\Unit
     function testTokenIsAString()
     {
         $token = CSRFProtection::token();
-        $this->assertInternalType("string", $token);
+        $this->assertIsString($token);
     }
 
     function testTokenTag()
@@ -65,7 +65,7 @@ class CSRFProtectionTokenTest extends \Codeception\Test\Unit
 class CSRFRequestTest extends \Codeception\Test\Unit
 {
 
-    function setUp()
+    function setUp(): void
     {
         if (session_id() === '') {
             session_id("test-session");
@@ -77,7 +77,7 @@ class CSRFRequestTest extends \Codeception\Test\Unit
         $_SERVER['HTTP_X_REQUESTED_WITH'] = null;
     }
 
-    function tearDown()
+    function tearDown(): void
     {
         list($_SESSION, $_POST, $_SERVER) = $this->original_state;
     }
diff --git a/tests/unit/lib/classes/IconClassTest.php b/tests/unit/lib/classes/IconClassTest.php
index 67a5b29..de9d2b2 100644
--- a/tests/unit/lib/classes/IconClassTest.php
+++ b/tests/unit/lib/classes/IconClassTest.php
@@ -10,13 +10,13 @@
 
 class IconClassTest extends \Codeception\Test\Unit
 {
-    function setUp()
+    function setUp(): void
     {
         $this->memo_assets_url = Assets::url();
         Assets::set_assets_url('');
     }
 
-    function tearDown()
+    function tearDown(): void
     {
         Assets::set_assets_url($this->memo_assets_url);
     }
diff --git a/tests/unit/lib/classes/MigrationTest.php b/tests/unit/lib/classes/MigrationTest.php
index 9513c52..7085c9e 100644
--- a/tests/unit/lib/classes/MigrationTest.php
+++ b/tests/unit/lib/classes/MigrationTest.php
@@ -11,7 +11,7 @@ class MigrationTest extends \Codeception\Test\Unit
     protected $migrator;
     protected $before = null;
 
-    public function setUp()
+    public function setUp(): void
     {
         $this->before = isset($GLOBALS['CACHING_ENABLE'])
                       ? $GLOBALS['CACHING_ENABLE']
@@ -28,7 +28,7 @@ class MigrationTest extends \Codeception\Test\Unit
         require_once 'lib/migrations/SchemaVersion.php';
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         if ($this->before !== null) {
             $GLOBALS['CACHING_ENABLE'] = $this->before;
diff --git a/tests/unit/lib/classes/NavigationTest.php b/tests/unit/lib/classes/NavigationTest.php
index fdd5d68..a90e386 100644
--- a/tests/unit/lib/classes/NavigationTest.php
+++ b/tests/unit/lib/classes/NavigationTest.php
@@ -14,7 +14,7 @@ require_once 'lib/navigation/Navigation.php';
 
 class NavigationTest extends \Codeception\Test\Unit
 {
-    public function setUp ()
+    public function setUp(): void
     {
         Navigation::setRootNavigation(new Navigation(''));
     }
diff --git a/tests/unit/lib/classes/NotificationCenterTest.php b/tests/unit/lib/classes/NotificationCenterTest.php
index 83d0cbb..687183e 100644
--- a/tests/unit/lib/classes/NotificationCenterTest.php
+++ b/tests/unit/lib/classes/NotificationCenterTest.php
@@ -33,7 +33,7 @@ class NotificationCenterTestSoundexPredicate
 
 class NotificationCenterTest extends \Codeception\Test\Unit
 {
-    public function setUp()
+    public function setUp(): void
     {
         $this->observer = $this->createMock("Observer");
         $this->subject = new stdClass();
@@ -50,7 +50,7 @@ class NotificationCenterTest extends \Codeception\Test\Unit
         NotificationCenter::addObserver($this->observer, 'update', 'Namespaced\\SormDidUpdate', $this->subject);
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         NotificationCenter::removeObserver($this->observer);
     }
diff --git a/tests/unit/lib/classes/ObjectBuilderTest.php b/tests/unit/lib/classes/ObjectBuilderTest.php
index 91c2422..1f840ea 100644
--- a/tests/unit/lib/classes/ObjectBuilderTest.php
+++ b/tests/unit/lib/classes/ObjectBuilderTest.php
@@ -14,7 +14,7 @@ class ObjectBuilderTest extends \Codeception\Test\Unit
     protected $another_object;
     protected $another_changed_object;
 
-    public function setUp ()
+    public function setUp (): void
     {
         require_once 'lib/functions.php';
         require_once 'lib/classes/ObjectBuilder.php';
@@ -82,21 +82,17 @@ class ObjectBuilderTest extends \Codeception\Test\Unit
         );
     }
 
-    /**
-     * @expectedException UnexpectedValueException
-     */
     public function testExceptionOnExpectedType()
     {
+        $this->expectException(\UnexpectedValueException::class);
         $this->assertInstanceOf('ObjectBuilderTestMock', ObjectBuilder::build([
             ObjectBuilder::OBJECT_IDENTIFIER => 'AnotherObjectBuilderTestMock',
         ], 'FooBar'));
     }
 
-    /**
-     * @expectedException InvalidArgumentException
-     */
     public function testExceptionOnNull()
     {
+        $this->expectException(\InvalidArgumentException::class);
         ObjectBuilder::build(null);
     }
 
@@ -151,11 +147,9 @@ class ObjectBuilderTest extends \Codeception\Test\Unit
         ));
     }
 
-    /**
-     * @expectedException InvalidArgumentException
-     */
     public function testInvalidJsonInput()
     {
+        $this->expectException(\InvalidArgumentException::class);
         ObjectBuilder::build(
             json_encode($this->simple_array_definition) . 'brokenJSON'
         );
@@ -238,7 +232,7 @@ class ObjectBuilderTest extends \Codeception\Test\Unit
             $this->another_simple_array_definition,
         ]);
 
-        $this->assertInternalType('array', $restored);
+        $this->assertIsArray($restored);
         $this->assertCount(2, $restored);
 
         $this->assertInstanceOf('ObjectBuilderTestMock', $restored[0]);
@@ -282,4 +276,3 @@ class AnotherObjectBuilderTestMock extends ObjectBuilderTestMock
         $this->woken_up = true;
     }
 }
-
diff --git a/tests/unit/lib/classes/PluginRepositoryTest.php b/tests/unit/lib/classes/PluginRepositoryTest.php
index aa7366f..d1f0f08 100644
--- a/tests/unit/lib/classes/PluginRepositoryTest.php
+++ b/tests/unit/lib/classes/PluginRepositoryTest.php
@@ -14,7 +14,7 @@ require_once 'lib/plugins/engine/PluginRepository.class.php';
 
 class PluginRepositoryTest extends \Codeception\Test\Unit
 {
-    public function setUp ()
+    public function setUp (): void
     {
         $GLOBALS['SOFTWARE_VERSION'] = '1.9.0';
         $GLOBALS['CACHING_ENABLE'] = false;
diff --git a/tests/unit/lib/classes/RequestTest.php b/tests/unit/lib/classes/RequestTest.php
index 5f84508..eb4e813 100644
--- a/tests/unit/lib/classes/RequestTest.php
+++ b/tests/unit/lib/classes/RequestTest.php
@@ -12,7 +12,7 @@
 
 class RequestTest extends \Codeception\Test\Unit
 {
-    public function setUp ()
+    public function setUp (): void
     {
         $_GET['a']    = 'test';
         $_POST['b']   = '\\h1"';
@@ -208,7 +208,7 @@ class RequestTest extends \Codeception\Test\Unit
         $this->assertTrue(Request::submittedSome('null', 's', 'v'));
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         Config::set(null);
     }
@@ -216,7 +216,7 @@ class RequestTest extends \Codeception\Test\Unit
 
 class RequestMethodTest extends \Codeception\Test\Unit
 {
-    public function setUp ()
+    public function setUp (): void
     {
         unset($_SERVER['REQUEST_METHOD']);
         unset($_SERVER['HTTP_X_REQUESTED_WITH']);
diff --git a/tests/unit/lib/classes/SimpleCollectionTest.php b/tests/unit/lib/classes/SimpleCollectionTest.php
index 1d236e1..e390157 100644
--- a/tests/unit/lib/classes/SimpleCollectionTest.php
+++ b/tests/unit/lib/classes/SimpleCollectionTest.php
@@ -251,11 +251,11 @@ class SimpleCollectionTest extends \Codeception\Test\Unit
 
     /**
      * @depends testConstruct
-     * @expectedException        InvalidArgumentException
-     * @expectedExceptionMessage unknown operator: foo
      */
     public function testInvalidCompOperatorException($a)
     {
+        $this->expectException(\InvalidArgumentException::class);
+        $this->expectExceptionMessage('unknown operator: foo');
         SimpleCollection::getCompFunc('foo', null);
     }
 
diff --git a/tests/unit/lib/classes/SimpleOrMapNodbTest.php b/tests/unit/lib/classes/SimpleOrMapNodbTest.php
index 3740357..f6b4e0b 100644
--- a/tests/unit/lib/classes/SimpleOrMapNodbTest.php
+++ b/tests/unit/lib/classes/SimpleOrMapNodbTest.php
@@ -46,12 +46,12 @@ class auth_user_md5 extends SimpleORMap
 
 class SimpleOrMapNodbTest extends \Codeception\Test\Unit
 {
-    function setUp()
+    function setUp(): void
     {
         StudipTestHelper::set_up_tables(['auth_user_md5']);
     }
 
-    function tearDown()
+    function tearDown(): void
     {
         StudipTestHelper::tear_down_tables();
     }
@@ -229,11 +229,11 @@ class SimpleOrMapNodbTest extends \Codeception\Test\Unit
 
     /**
      * @depends testConstruct
-     * @expectedException        InvalidArgumentException
-     * @expectedExceptionMessage unknown not found.
      */
     public function testInvalidColumnException($a)
     {
+        $this->expectException(\InvalidArgumentException::class);
+        $this->expectExceptionMessage('unknown not found.');
         $a->unknown = 1;
     }
 
diff --git a/tests/unit/lib/classes/StringManipulationTest.php b/tests/unit/lib/classes/StringManipulationTest.php
index e0a3eaa..cce5513 100644
--- a/tests/unit/lib/classes/StringManipulationTest.php
+++ b/tests/unit/lib/classes/StringManipulationTest.php
@@ -2,11 +2,11 @@
 
 class StringManipulationTest extends \Codeception\Test\Unit
 {
-    public function setUp()
+    public function setUp(): void
     {
         require_once 'lib/functions.php';
     }
-    
+
     /**
      * @dataProvider camelCaseProvider
      */
diff --git a/tests/unit/lib/classes/StudipCachedArrayTest.php b/tests/unit/lib/classes/StudipCachedArrayTest.php
index f3db15f..24018af 100644
--- a/tests/unit/lib/classes/StudipCachedArrayTest.php
+++ b/tests/unit/lib/classes/StudipCachedArrayTest.php
@@ -13,7 +13,7 @@ class StudipCachedArrayTest extends \Codeception\Test\Unit
 {
     private $cache;
 
-    public function setUp()
+    public function setUp(): void
     {
         $this->cache = new TestCache();
     }
diff --git a/tests/unit/lib/classes/StudipFileloaderTest.php b/tests/unit/lib/classes/StudipFileloaderTest.php
index 380df10..ec45793 100644
--- a/tests/unit/lib/classes/StudipFileloaderTest.php
+++ b/tests/unit/lib/classes/StudipFileloaderTest.php
@@ -10,7 +10,7 @@
 
 class StudipFileloaderTestCase extends \Codeception\Test\Unit {
 
-    public function setUp() {
+    public function setUp(): void {
         ArrayFileStream::set_filesystem(
             [
                 'pathto' => [
@@ -23,7 +23,7 @@ class StudipFileloaderTestCase extends \Codeception\Test\Unit {
         }
     }
 
-    public function tearDown() {
+    public function tearDown(): void {
         stream_wrapper_unregister("var");
     }
 
diff --git a/tests/unit/lib/classes/StudipFormatTest.php b/tests/unit/lib/classes/StudipFormatTest.php
index bfc5367..2a7ca4a 100644
--- a/tests/unit/lib/classes/StudipFormatTest.php
+++ b/tests/unit/lib/classes/StudipFormatTest.php
@@ -19,11 +19,11 @@ function markupBold($markup, $matches, $contents)
 
 class StudipFormatTest extends \Codeception\Test\Unit
 {
-    function setUp() {
+    function setUp(): void {
         $this->old_rules = StudipCoreFormat::getStudipMarkups();
     }
 
-    function tearDown()
+    function tearDown(): void
     {
         foreach(StudipCoreFormat::getStudipMarkups() as $key => $value) {
             StudipCoreFormat::removeStudipMarkup($key);
diff --git a/tests/unit/lib/classes/StudipPdoTest.php b/tests/unit/lib/classes/StudipPdoTest.php
index 5c14d55..2023ca1 100644
--- a/tests/unit/lib/classes/StudipPdoTest.php
+++ b/tests/unit/lib/classes/StudipPdoTest.php
@@ -12,22 +12,31 @@
  * @category    Stud.IP
  */
 
-class TestStudipPDO extends StudipPDO
+class StudipPdoTest extends \Codeception\Test\Unit
 {
-    public static function doReplaceStrings($statement)
+    public function setUp(): void
     {
-        return parent::replaceStrings($statement);
+        $this->testPdo = new class ('sqlite::memory:') extends StudipPDO {
+            public static function doReplaceStrings($statement)
+            {
+                return parent::replaceStrings($statement);
+            }
+        };
+
+        $this->testPdo->beginTransaction();
+    }
+
+    public function tearDown(): void
+    {
+        $this->testPdo->rollBack();
     }
-}
 
-class StudipPDOTest extends \Codeception\Test\Unit
-{
     public function testSimpleString()
     {
         $query  = 'SELECT * FROM bar';
         $expect = $query;
 
-        $this->assertEquals($expect, TestStudipPDO::doReplaceStrings($query));
+        $this->assertEquals($expect, $this->testPdo::doReplaceStrings($query));
     }
 
     public function testDoubleQuotedString()
@@ -35,12 +44,12 @@ class StudipPDOTest extends \Codeception\Test\Unit
         $query  = 'SELECT "\'foo""\\"" FROM bar WHERE foo = "\\\\"';
         $expect = 'SELECT ? FROM bar WHERE foo = ?';
 
-        $this->assertEquals($expect, TestStudipPDO::doReplaceStrings($query));
+        $this->assertEquals($expect, $this->testPdo::doReplaceStrings($query));
 
         $query  = str_repeat($query, 100);
         $expect = str_repeat($expect, 100);
 
-        $this->assertEquals($expect, TestStudipPDO::doReplaceStrings($query));
+        $this->assertEquals($expect, $this->testPdo::doReplaceStrings($query));
     }
 
     public function testSingleQuotedString()
@@ -48,12 +57,12 @@ class StudipPDOTest extends \Codeception\Test\Unit
         $query  = 'SELECT \'"foo\'\'\\\'\' FROM bar WHERE foo = \'\\\\\'';
         $expect = 'SELECT ? FROM bar WHERE foo = ?';
 
-        $this->assertEquals($expect, TestStudipPDO::doReplaceStrings($query));
+        $this->assertEquals($expect, $this->testPdo::doReplaceStrings($query));
 
         $query  = str_repeat($query, 100);
         $expect = str_repeat($expect, 100);
 
-        $this->assertEquals($expect, TestStudipPDO::doReplaceStrings($query));
+        $this->assertEquals($expect, $this->testPdo::doReplaceStrings($query));
     }
 
     public function testMixedQuotedString()
@@ -61,12 +70,12 @@ class StudipPDOTest extends \Codeception\Test\Unit
         $query  = 'SELECT """\'", \'"\' FROM bar WHERE foo IN (\'\'\'"\'"")';
         $expect = 'SELECT ?, ? FROM bar WHERE foo IN (??)';
 
-        $this->assertEquals($expect, TestStudipPDO::doReplaceStrings($query));
+        $this->assertEquals($expect, $this->testPdo::doReplaceStrings($query));
 
         $query  = str_repeat($query, 100);
         $expect = str_repeat($expect, 100);
 
-        $this->assertEquals($expect, TestStudipPDO::doReplaceStrings($query));
+        $this->assertEquals($expect, $this->testPdo::doReplaceStrings($query));
     }
 
     public function testUnterminatedSingleQuote()
@@ -74,7 +83,7 @@ class StudipPDOTest extends \Codeception\Test\Unit
         $query  = 'SELECT \'1\' ORDER BY \'au.username asc';
         $expect = 'SELECT ? ORDER BY \'au.username asc';
 
-        $this->assertEquals($expect, TestStudipPDO::doReplaceStrings($query));
+        $this->assertEquals($expect, $this->testPdo::doReplaceStrings($query));
     }
 
     public function testUnterminatedDoubleQuote()
@@ -82,6 +91,6 @@ class StudipPDOTest extends \Codeception\Test\Unit
         $query  = 'SELECT "1" ORDER BY "au.username asc';
         $expect = 'SELECT ? ORDER BY "au.username asc';
 
-        $this->assertEquals($expect, TestStudipPDO::doReplaceStrings($query));
+        $this->assertEquals($expect, $this->testPdo::doReplaceStrings($query));
     }
 }
diff --git a/tests/unit/lib/classes/StudipVersionTest.php b/tests/unit/lib/classes/StudipVersionTest.php
index 22a9fca..4e824bc 100644
--- a/tests/unit/lib/classes/StudipVersionTest.php
+++ b/tests/unit/lib/classes/StudipVersionTest.php
@@ -14,11 +14,11 @@
 
 class StudipVersionTest extends \Codeception\Test\Unit
 {
-    function setUp() {
+    function setUp(): void {
         $this->version = $GLOBALS['SOFTWARE_VERSION'];
     }
 
-    function tearDown()
+    function tearDown(): void
     {
         $GLOBALS['SOFTWARE_VERSION'] = $this->version;
     }
diff --git a/tests/unit/lib/classes/TextFormatTest.php b/tests/unit/lib/classes/TextFormatTest.php
index acca74a..7a58bed 100644
--- a/tests/unit/lib/classes/TextFormatTest.php
+++ b/tests/unit/lib/classes/TextFormatTest.php
@@ -191,7 +191,7 @@ function markupSum($markup, $matches)
 
 class TextFormatTest extends \Codeception\Test\Unit
 {
-    public function setUp()
+    public function setUp(): void
     {
         $markup = new TextFormat();
 
diff --git a/tests/unit/lib/classes/UpdateinformationClassTest.php b/tests/unit/lib/classes/UpdateinformationClassTest.php
index ba2c5a1..1745b03 100644
--- a/tests/unit/lib/classes/UpdateinformationClassTest.php
+++ b/tests/unit/lib/classes/UpdateinformationClassTest.php
@@ -13,11 +13,11 @@
 class UpdateInformationCase extends \Codeception\Test\Unit
 {
 
-    function setUp() {
+    function setUp(): void {
     }
 
 
-    function tearDown() {
+    function tearDown(): void {
     }
 
 
@@ -26,9 +26,9 @@ class UpdateInformationCase extends \Codeception\Test\Unit
         UpdateInformation::setInformation("test.myfunc", $old_data);
         UpdateInformation::setInformation("test.myfunc2", "strangedata");
         $new_data = UpdateInformation::getInformation();
-        $this->assertInternalType("array", $new_data);
-        $this->assertInternalType("array", $new_data['test.myfunc']);
-        $this->assertInternalType("string", $new_data['test.myfunc2']);
+        $this->assertIsArray($new_data);
+        $this->assertIsArray($new_data['test.myfunc']);
+        $this->assertIsString($new_data['test.myfunc2']);
         $this->assertEquals("TestValue", $new_data['test.myfunc']['test']);
         $this->assertEquals("strangedata", $new_data['test.myfunc2']);
     }
diff --git a/tests/unit/lib/classes/UrlHelperTest.php b/tests/unit/lib/classes/UrlHelperTest.php
index 8683dd4..13661bd 100644
--- a/tests/unit/lib/classes/UrlHelperTest.php
+++ b/tests/unit/lib/classes/UrlHelperTest.php
@@ -12,7 +12,7 @@
 
 class URLHelperTest extends \Codeception\Test\Unit
 {
-    public function tearDown ()
+    public function tearDown(): void
     {
         // remove all link params
         foreach (URLHelper::getLinkParams() as $param => $value) {
diff --git a/tests/unit/lib/classes/UserDomainTest.php b/tests/unit/lib/classes/UserDomainTest.php
index 2c4b86b..7e74264 100644
--- a/tests/unit/lib/classes/UserDomainTest.php
+++ b/tests/unit/lib/classes/UserDomainTest.php
@@ -8,12 +8,12 @@
 
 class UserDomainTest extends \Codeception\Test\Unit
 {
-    public function setUp()
+    public function setUp(): void
     {
         StudipTestHelper::set_up_tables(['userdomains']);
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         StudipTestHelper::tear_down_tables();
     }
diff --git a/tests/unit/lib/classes/htmlpurifier/HtmlpurifierInjectorClassifylinksTest.php b/tests/unit/lib/classes/htmlpurifier/HtmlpurifierInjectorClassifylinksTest.php
index cbe7e16..b8b0558 100644
--- a/tests/unit/lib/classes/htmlpurifier/HtmlpurifierInjectorClassifylinksTest.php
+++ b/tests/unit/lib/classes/htmlpurifier/HtmlpurifierInjectorClassifylinksTest.php
@@ -27,7 +27,7 @@ require_once 'lib/classes/htmlpurifier/HTMLPurifier_Injector_ClassifyLinks.php';
  */
 class HTMLPurifier_Injector_ClassifyLinksTest extends \Codeception\Test\Unit
 {
-    public function setUp()
+    public function setUp(): void
     {
         $config = new Config([
             'CONVERT_IDNA_URL' => false,
@@ -106,7 +106,7 @@ class HTMLPurifier_Injector_ClassifyLinksTest extends \Codeception\Test\Unit
         ];
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         Config::set(null);
     }