diff --git a/src/Assertable.php b/src/Assertable.php
index 32add3e..a6c027c 100644
--- a/src/Assertable.php
+++ b/src/Assertable.php
@@ -14,10 +14,5 @@
 
 interface Assertable
 {
-    /**
-     * @param string $path
-     * @param string $command
-     * @return bool
-     */
     public function assert(string $path, string $command): bool;
 }
diff --git a/src/Behavior.php b/src/Behavior.php
index a145e26..46e5fa9 100644
--- a/src/Behavior.php
+++ b/src/Behavior.php
@@ -42,11 +42,6 @@ class Behavior implements Assertable
      */
     private $assertions;
 
-    /**
-     * @param Assertable $assertable
-     * @param string ...$commands
-     * @return static
-     */
     public function withAssertion(Assertable $assertable, string ...$commands): self
     {
         $this->assertCommands($commands);
@@ -59,11 +54,6 @@ public function withAssertion(Assertable $assertable, string ...$commands): self
         return $target;
     }
 
-    /**
-     * @param string $path
-     * @param string $command
-     * @return bool
-     */
     public function assert(string $path, string $command): bool
     {
         $this->assertCommand($command);
@@ -72,13 +62,10 @@ public function assert(string $path, string $command): bool
         return $this->assertions[$command]->assert($path, $command);
     }
 
-    /**
-     * @param array $commands
-     */
     private function assertCommands(array $commands)
     {
         $unknownCommands = array_diff($commands, $this->availableCommands);
-        if (empty($unknownCommands)) {
+        if ($unknownCommands === []) {
             return;
         }
         throw new \LogicException(
@@ -110,7 +97,7 @@ private function assertAssertionCompleteness()
             $this->availableCommands,
             array_keys($this->assertions)
         );
-        if (empty($undefinedAssertions)) {
+        if ($undefinedAssertions === []) {
             return;
         }
         throw new \LogicException(
diff --git a/src/Collectable.php b/src/Collectable.php
index 97c9356..719478c 100644
--- a/src/Collectable.php
+++ b/src/Collectable.php
@@ -16,21 +16,14 @@
 
 interface Collectable
 {
-    /**
-     * @param PharInvocation $invocation
-     * @return bool
-     */
     public function has(PharInvocation $invocation): bool;
 
     /**
-     * @param PharInvocation $invocation
      * @param int|null $flags
-     * @return bool
      */
     public function collect(PharInvocation $invocation, int $flags = null): bool;
 
     /**
-     * @param callable $callback
      * @param bool $reverse
      * @return null|PharInvocation
      */
diff --git a/src/Helper.php b/src/Helper.php
index f880ece..be536e4 100644
--- a/src/Helper.php
+++ b/src/Helper.php
@@ -42,7 +42,6 @@ public static function resetOpCache()
      * For e.g. "phar:///home/user/bundle.phar/content.txt" that would result
      * into "/home/user/bundle.phar".
      *
-     * @param string $path
      * @return string|null
      */
     public static function determineBaseFile(string $path)
@@ -60,19 +59,11 @@ public static function determineBaseFile(string $path)
         return null;
     }
 
-    /**
-     * @param string $path
-     * @return bool
-     */
     public static function hasPharPrefix(string $path): bool
     {
         return stripos($path, 'phar://') === 0;
     }
 
-    /**
-     * @param string $path
-     * @return string
-     */
     public static function removePharPrefix(string $path): string
     {
         $path = trim($path);
@@ -84,10 +75,7 @@ public static function removePharPrefix(string $path): string
 
     /**
      * Normalizes a path, removes phar:// prefix, fixes Windows directory
-     * separators. Result is without trailing slash.
-     *
-     * @param string $path
-     * @return string
+     * separators. The result is without a trailing slash.
      */
     public static function normalizePath(string $path): string
     {
@@ -101,9 +89,6 @@ public static function normalizePath(string $path): string
 
     /**
      * Fixes a path for windows-backslashes and reduces double-slashes to single slashes
-     *
-     * @param string $path File path to process
-     * @return string
      */
     public static function normalizeWindowsPath(string $path): string
     {
@@ -113,10 +98,9 @@ public static function normalizeWindowsPath(string $path): string
     /**
      * Resolves all dots, slashes and removes spaces after or before a path...
      *
-     * @param string $path Input string
      * @return string Canonical path, always without trailing slash
      */
-    private static function getCanonicalPath($path): string
+    private static function getCanonicalPath(string $path): string
     {
         $path = static::normalizeWindowsPath($path);
 
@@ -173,11 +157,8 @@ private static function getCanonicalPath($path): string
     /**
      * Checks if the $path is absolute or relative (detecting either '/' or
      * 'x:/' as first part of string) and returns TRUE if so.
-     *
-     * @param string $path File path to evaluate
-     * @return bool
      */
-    private static function isAbsolutePath($path): bool
+    private static function isAbsolutePath(string $path): bool
     {
         // Path starting with a / is always absolute, on every system
         // On Windows also a path starting with a drive letter is absolute: X:/
diff --git a/src/Interceptor/ConjunctionInterceptor.php b/src/Interceptor/ConjunctionInterceptor.php
index 1a85f59..589ac55 100644
--- a/src/Interceptor/ConjunctionInterceptor.php
+++ b/src/Interceptor/ConjunctionInterceptor.php
@@ -22,6 +22,9 @@ class ConjunctionInterceptor implements Assertable
      */
     private $assertions;
 
+    /**
+     * @param Assertable[] $assertions
+     */
     public function __construct(array $assertions)
     {
         $this->assertAssertions($assertions);
@@ -31,9 +34,6 @@ public function __construct(array $assertions)
     /**
      * Executes assertions based on all contained assertions.
      *
-     * @param string $path
-     * @param string $command
-     * @return bool
      * @throws Exception
      */
     public function assert(string $path, string $command): bool
@@ -68,11 +68,6 @@ private function assertAssertions(array $assertions)
         }
     }
 
-    /**
-     * @param string $path
-     * @param string $command
-     * @return bool
-     */
     private function invokeAssertions(string $path, string $command): bool
     {
         try {
diff --git a/src/Interceptor/PharExtensionInterceptor.php b/src/Interceptor/PharExtensionInterceptor.php
index df2c448..2fa9c45 100644
--- a/src/Interceptor/PharExtensionInterceptor.php
+++ b/src/Interceptor/PharExtensionInterceptor.php
@@ -21,9 +21,6 @@ class PharExtensionInterceptor implements Assertable
     /**
      * Determines whether the base file name has a ".phar" suffix.
      *
-     * @param string $path
-     * @param string $command
-     * @return bool
      * @throws Exception
      */
     public function assert(string $path, string $command): bool
@@ -40,10 +37,6 @@ public function assert(string $path, string $command): bool
         );
     }
 
-    /**
-     * @param string $path
-     * @return bool
-     */
     private function baseFileContainsPharExtension(string $path): bool
     {
         $invocation = Manager::instance()->resolve($path);
diff --git a/src/Interceptor/PharMetaDataInterceptor.php b/src/Interceptor/PharMetaDataInterceptor.php
index e818215..43b6173 100644
--- a/src/Interceptor/PharMetaDataInterceptor.php
+++ b/src/Interceptor/PharMetaDataInterceptor.php
@@ -28,9 +28,6 @@ class PharMetaDataInterceptor implements Assertable
      * Determines whether the according Phar archive contains
      * (potential insecure) serialized objects.
      *
-     * @param string $path
-     * @param string $command
-     * @return bool
      * @throws Exception
      */
     public function assert(string $path, string $command): bool
@@ -47,10 +44,6 @@ public function assert(string $path, string $command): bool
         );
     }
 
-    /**
-     * @param string $path
-     * @return bool
-     */
     private function baseFileDoesNotHaveMetaDataIssues(string $path): bool
     {
         $invocation = Manager::instance()->resolve($path);
diff --git a/src/Manager.php b/src/Manager.php
index aad63b5..6b62b99 100644
--- a/src/Manager.php
+++ b/src/Manager.php
@@ -38,12 +38,6 @@ class Manager
      */
     private $collection;
 
-    /**
-     * @param Behavior $behaviour
-     * @param Resolvable $resolver
-     * @param Collectable $collection
-     * @return self
-     */
     public static function initialize(
         Behavior $behaviour,
         Resolvable $resolver = null,
@@ -59,9 +53,6 @@ public static function initialize(
         );
     }
 
-    /**
-     * @return self
-     */
     public static function instance(): self
     {
         if (self::$instance !== null) {
@@ -73,9 +64,6 @@ public static function instance(): self
         );
     }
 
-    /**
-     * @return bool
-     */
     public static function destroy(): bool
     {
         if (self::$instance === null) {
@@ -85,11 +73,6 @@ public static function destroy(): bool
         return true;
     }
 
-    /**
-     * @param Behavior $behaviour
-     * @param Resolvable $resolver
-     * @param Collectable $collection
-     */
     private function __construct(
         Behavior $behaviour,
         Resolvable $resolver = null,
@@ -100,19 +83,12 @@ private function __construct(
         $this->behavior = $behaviour;
     }
 
-    /**
-     * @param string $path
-     * @param string $command
-     * @return bool
-     */
     public function assert(string $path, string $command): bool
     {
         return $this->behavior->assert($path, $command);
     }
 
     /**
-     * @param string $path
-     * @param null|int $flags
      * @return PharInvocation|null
      */
     public function resolve(string $path, int $flags = null)
@@ -120,9 +96,6 @@ public function resolve(string $path, int $flags = null)
         return $this->resolver->resolve($path, $flags);
     }
 
-    /**
-     * @return Collectable
-     */
     public function getCollection(): Collectable
     {
         return $this->collection;
diff --git a/src/Phar/Container.php b/src/Phar/Container.php
index e1abf99..52dd2f1 100644
--- a/src/Phar/Container.php
+++ b/src/Phar/Container.php
@@ -24,35 +24,22 @@ class Container
      */
     private $manifest;
 
-    /**
-     * @param Stub $stub
-     * @param Manifest $manifest
-     */
     public function __construct(Stub $stub, Manifest $manifest)
     {
         $this->stub = $stub;
         $this->manifest = $manifest;
     }
 
-    /**
-     * @return Stub
-     */
     public function getStub(): Stub
     {
         return $this->stub;
     }
 
-    /**
-     * @return Manifest
-     */
     public function getManifest(): Manifest
     {
         return $this->manifest;
     }
 
-    /**
-     * @return string
-     */
     public function getAlias(): string
     {
         return $this->manifest->getAlias() ?: $this->stub->getMappedAlias();
diff --git a/src/Phar/Manifest.php b/src/Phar/Manifest.php
index 91968f9..8fa902a 100644
--- a/src/Phar/Manifest.php
+++ b/src/Phar/Manifest.php
@@ -15,8 +15,6 @@
 class Manifest
 {
     /**
-     * @param string $content
-     * @return self
      * @see http://php.net/manual/en/phar.fileformat.phar.php
      */
     public static function fromContent(string $content): self
@@ -87,65 +85,41 @@ private function __construct()
     {
     }
 
-    /**
-     * @return int
-     */
     public function getManifestLength(): int
     {
         return $this->manifestLength;
     }
 
-    /**
-     * @return int
-     */
     public function getAmountOfFiles(): int
     {
         return $this->amountOfFiles;
     }
 
-    /**
-     * @return string
-     */
     public function getApiVersion(): string
     {
         return $this->apiVersion;
     }
 
-    /**
-     * @return int
-     */
     public function getFlags(): int
     {
         return $this->flags;
     }
 
-    /**
-     * @return int
-     */
     public function getAliasLength(): int
     {
         return $this->aliasLength;
     }
 
-    /**
-     * @return string
-     */
     public function getAlias(): string
     {
         return $this->alias;
     }
 
-    /**
-     * @return int
-     */
     public function getMetaDataLength(): int
     {
         return $this->metaDataLength;
     }
 
-    /**
-     * @return string
-     */
     public function getMetaData(): string
     {
         return $this->metaData;
diff --git a/src/Phar/Reader.php b/src/Phar/Reader.php
index 9e94c38..cdb491a 100644
--- a/src/Phar/Reader.php
+++ b/src/Phar/Reader.php
@@ -29,9 +29,6 @@ class Reader
      */
     private $fileType;
 
-    /**
-     * @param string $fileName
-     */
     public function __construct(string $fileName)
     {
         if (strpos($fileName, '://') !== false) {
@@ -45,9 +42,6 @@ public function __construct(string $fileName)
         $this->fileType = $this->determineFileType();
     }
 
-    /**
-     * @return Container
-     */
     public function resolveContainer(): Container
     {
         $data = $this->extractData($this->resolveStream() . $this->fileName);
@@ -83,7 +77,6 @@ public function resolveContainer(): Container
 
     /**
      * @param string $fileName e.g. '/path/file.phar' or 'compress.zlib:///path/file.phar'
-     * @return array
      */
     private function extractData(string $fileName): array
     {
@@ -143,28 +136,24 @@ private function extractData(string $fileName): array
     }
 
     /**
-     * Resolves stream in order to handle compressed Phar archives.
-     *
-     * @return string
+     * Resolves the stream to handle compressed Phar archives.
      */
     private function resolveStream(): string
     {
         if ($this->fileType === 'application/x-gzip' || $this->fileType === 'application/gzip') {
             return 'compress.zlib://';
-        } elseif ($this->fileType === 'application/x-bzip2') {
+        }
+        if ($this->fileType === 'application/x-bzip2') {
             return 'compress.bzip2://';
         }
         return '';
     }
 
-    /**
-     * @return string
-     */
-    private function determineFileType()
+    private function determineFileType(): string
     {
         if (class_exists('\\finfo')) {
             $fileInfo = new \finfo();
-            return $fileInfo->file($this->fileName, FILEINFO_MIME_TYPE);
+            return (string)$fileInfo->file($this->fileName, FILEINFO_MIME_TYPE);
         }
         return $this->determineFileTypeByHeader();
     }
@@ -172,8 +161,6 @@ private function determineFileType()
     /**
      * In case ext-fileinfo is not present only the relevant types
      * 'application/x-gzip' and 'application/x-bzip2' are resolved.
-     *
-     * @return string
      */
     private function determineFileTypeByHeader(): string
     {
@@ -186,17 +173,16 @@ private function determineFileTypeByHeader(): string
         }
         $header = fgets($resource, 4);
         fclose($resource);
-        $mimeType = '';
         if (strpos($header, "\x42\x5a\x68") === 0) {
-            $mimeType = 'application/x-bzip2';
-        } elseif (strpos($header, "\x1f\x8b") === 0) {
-            $mimeType = 'application/x-gzip';
+            return 'application/x-bzip2';
+        }
+        if (strpos($header, "\x1f\x8b") === 0) {
+            return 'application/x-gzip';
         }
-        return $mimeType;
+        return '';
     }
 
     /**
-     * @param string $content
      * @return int|null
      */
     private function resolveManifestLength(string $content)
@@ -207,11 +193,6 @@ private function resolveManifestLength(string $content)
         return static::resolveFourByteLittleEndian($content, 0);
     }
 
-    /**
-     * @param string $content
-     * @param int $start
-     * @return int
-     */
     public static function resolveFourByteLittleEndian(string $content, int $start): int
     {
         $payload = substr($content, $start, 4);
@@ -232,11 +213,6 @@ public static function resolveFourByteLittleEndian(string $content, int $start):
         return $value[1];
     }
 
-    /**
-     * @param string $content
-     * @param int $start
-     * @return int
-     */
     public static function resolveTwoByteBigEndian(string $content, int $start): int
     {
         $payload = substr($content, $start, 2);
diff --git a/src/Phar/Stub.php b/src/Phar/Stub.php
index 764d286..2c752a4 100644
--- a/src/Phar/Stub.php
+++ b/src/Phar/Stub.php
@@ -17,10 +17,6 @@
  */
 class Stub
 {
-    /**
-     * @param string $content
-     * @return self
-     */
     public static function fromContent(string $content): self
     {
         $target = new static();
@@ -39,9 +35,9 @@ public static function fromContent(string $content): self
     }
 
     /**
-     * @var string
+     * @var null|string
      */
-    private $content;
+    private $content = null;
 
     /**
      * @var string
@@ -49,16 +45,13 @@ public static function fromContent(string $content): self
     private $mappedAlias = '';
 
     /**
-     * @return string
+     * @return null|string
      */
     public function getContent()
     {
         return $this->content;
     }
 
-    /**
-     * @return string
-     */
     public function getMappedAlias(): string
     {
         return $this->mappedAlias;
diff --git a/src/PharStreamWrapper.php b/src/PharStreamWrapper.php
index 8455ce0..929e5d1 100644
--- a/src/PharStreamWrapper.php
+++ b/src/PharStreamWrapper.php
@@ -37,9 +37,6 @@ class PharStreamWrapper
      */
     protected $invocation;
 
-    /**
-     * @return bool
-     */
     public function dir_closedir(): bool
     {
         if (!is_resource($this->internalResource)) {
@@ -53,11 +50,6 @@ public function dir_closedir(): bool
         return !is_resource($this->internalResource);
     }
 
-    /**
-     * @param string $path
-     * @param int $options
-     * @return bool
-     */
     public function dir_opendir(string $path, int $options): bool
     {
         $this->assert($path, Behavior::COMMAND_DIR_OPENDIR);
@@ -80,9 +72,6 @@ public function dir_readdir()
         );
     }
 
-    /**
-     * @return bool
-     */
     public function dir_rewinddir(): bool
     {
         if (!is_resource($this->internalResource)) {
@@ -96,12 +85,6 @@ public function dir_rewinddir(): bool
         return is_resource($this->internalResource);
     }
 
-    /**
-     * @param string $path
-     * @param int $mode
-     * @param int $options
-     * @return bool
-     */
     public function mkdir(string $path, int $mode, int $options): bool
     {
         $this->assert($path, Behavior::COMMAND_MKDIR);
@@ -114,11 +97,6 @@ public function mkdir(string $path, int $mode, int $options): bool
         );
     }
 
-    /**
-     * @param string $path_from
-     * @param string $path_to
-     * @return bool
-     */
     public function rename(string $path_from, string $path_to): bool
     {
         $this->assert($path_from, Behavior::COMMAND_RENAME);
@@ -131,11 +109,6 @@ public function rename(string $path_from, string $path_to): bool
         );
     }
 
-    /**
-     * @param string $path
-     * @param int $options
-     * @return bool
-     */
     public function rmdir(string $path, int $options): bool
     {
         $this->assert($path, Behavior::COMMAND_RMDIR);
@@ -146,9 +119,6 @@ public function rmdir(string $path, int $options): bool
         );
     }
 
-    /**
-     * @param int $cast_as
-     */
     public function stream_cast(int $cast_as)
     {
         throw new Exception(
@@ -165,9 +135,6 @@ public function stream_close()
         );
     }
 
-    /**
-     * @return bool
-     */
     public function stream_eof(): bool
     {
         return $this->invokeInternalStreamWrapper(
@@ -176,9 +143,6 @@ public function stream_eof(): bool
         );
     }
 
-    /**
-     * @return bool
-     */
     public function stream_flush(): bool
     {
         return $this->invokeInternalStreamWrapper(
@@ -187,10 +151,6 @@ public function stream_flush(): bool
         );
     }
 
-    /**
-     * @param int $operation
-     * @return bool
-     */
     public function stream_lock(int $operation): bool
     {
         return $this->invokeInternalStreamWrapper(
@@ -201,10 +161,7 @@ public function stream_lock(int $operation): bool
     }
 
     /**
-     * @param string $path
-     * @param int $option
      * @param string|int $value
-     * @return bool
      */
     public function stream_metadata(string $path, int $option, $value): bool
     {
@@ -241,11 +198,7 @@ public function stream_metadata(string $path, int $option, $value): bool
     }
 
     /**
-     * @param string $path
-     * @param string $mode
-     * @param int $options
      * @param string|null $opened_path
-     * @return bool
      */
     public function stream_open(
         string $path,
@@ -277,10 +230,6 @@ public function stream_open(
         return true;
     }
 
-    /**
-     * @param int $count
-     * @return string
-     */
     public function stream_read(int $count): string
     {
         return $this->invokeInternalStreamWrapper(
@@ -290,11 +239,6 @@ public function stream_read(int $count): string
         );
     }
 
-    /**
-     * @param int $offset
-     * @param int $whence
-     * @return bool
-     */
     public function stream_seek(int $offset, int $whence = SEEK_SET): bool
     {
         return $this->invokeInternalStreamWrapper(
@@ -305,12 +249,6 @@ public function stream_seek(int $offset, int $whence = SEEK_SET): bool
         ) !== -1;
     }
 
-    /**
-     * @param int $option
-     * @param int $arg1
-     * @param int $arg2
-     * @return bool
-     */
     public function stream_set_option(int $option, int $arg1, int $arg2): bool
     {
         if ($option === STREAM_OPTION_BLOCKING) {
@@ -338,9 +276,6 @@ public function stream_set_option(int $option, int $arg1, int $arg2): bool
         return false;
     }
 
-    /**
-     * @return array
-     */
     public function stream_stat(): array
     {
         return $this->invokeInternalStreamWrapper(
@@ -349,9 +284,6 @@ public function stream_stat(): array
         );
     }
 
-    /**
-     * @return int
-     */
     public function stream_tell(): int
     {
         return $this->invokeInternalStreamWrapper(
@@ -360,10 +292,6 @@ public function stream_tell(): int
         );
     }
 
-    /**
-     * @param int $new_size
-     * @return bool
-     */
     public function stream_truncate(int $new_size): bool
     {
         return $this->invokeInternalStreamWrapper(
@@ -373,10 +301,6 @@ public function stream_truncate(int $new_size): bool
         );
     }
 
-    /**
-     * @param string $data
-     * @return int
-     */
     public function stream_write(string $data): int
     {
         return $this->invokeInternalStreamWrapper(
@@ -386,10 +310,6 @@ public function stream_write(string $data): int
         );
     }
 
-    /**
-     * @param string $path
-     * @return bool
-     */
     public function unlink(string $path): bool
     {
         $this->assert($path, Behavior::COMMAND_UNLINK);
@@ -401,8 +321,6 @@ public function unlink(string $path): bool
     }
 
     /**
-     * @param string $path
-     * @param int $flags
      * @return array|false
      */
     public function url_stat(string $path, int $flags)
@@ -412,10 +330,6 @@ public function url_stat(string $path, int $flags)
         return $this->invokeInternalStreamWrapper($functionName, $path);
     }
 
-    /**
-     * @param string $path
-     * @param string $command
-     */
     protected function assert(string $path, string $command)
     {
         if (Manager::instance()->assert($path, $command) === true) {
@@ -433,9 +347,6 @@ protected function assert(string $path, string $command)
         );
     }
 
-    /**
-     * @param string $path
-     */
     protected function collectInvocation(string $path)
     {
         if (isset($this->invocation)) {
@@ -470,7 +381,6 @@ protected function resolveAssertable(): Assertable
     /**
      * Invokes commands on the native PHP Phar stream wrapper.
      *
-     * @param string $functionName
      * @param mixed ...$arguments
      * @return mixed
      */
diff --git a/tests/Functional/Fixtures/Builder/Classes/Domain/Model/DemoModel.php b/tests/Functional/Fixtures/Builder/Classes/Domain/Model/DemoModel.php
index 67d54fe..41d3915 100644
--- a/tests/Functional/Fixtures/Builder/Classes/Domain/Model/DemoModel.php
+++ b/tests/Functional/Fixtures/Builder/Classes/Domain/Model/DemoModel.php
@@ -3,8 +3,8 @@
 
 class DemoModel
 {
-    public function getClassName()
+    public function getClassName(): string
     {
         return static::class;
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Functional/Fixtures/Builder/build.php b/tests/Functional/Fixtures/Builder/build.php
index e67d120..4c3896f 100755
--- a/tests/Functional/Fixtures/Builder/build.php
+++ b/tests/Functional/Fixtures/Builder/build.php
@@ -5,7 +5,7 @@ class TestModel {}
 }
 
 namespace {
-    include 'Classes/Domain/Model/DemoModel.php';
+    include __DIR__ . '/Classes/Domain/Model/DemoModel.php';
     $metaData = ['test' => new TYPO3\PharStreamWrapper\Tests\Functional\Fixtures\Source\TestModel()];
 
     @unlink('../bundle.phar');
diff --git a/tests/Functional/Fixtures/Source/TestModel.php b/tests/Functional/Fixtures/Source/TestModel.php
index 6f51694..7c6f89d 100644
--- a/tests/Functional/Fixtures/Source/TestModel.php
+++ b/tests/Functional/Fixtures/Source/TestModel.php
@@ -17,8 +17,8 @@ class TestModel
     public function __destruct()
     {
         throw new TestException(
-            sprintf('Destructed %s object', __CLASS__),
+            sprintf('Destructed %s object', self::class),
             1553424350
         );
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Functional/HelperTest.php b/tests/Functional/HelperTest.php
index 2a54d5b..bcc4ea2 100644
--- a/tests/Functional/HelperTest.php
+++ b/tests/Functional/HelperTest.php
@@ -17,9 +17,6 @@
 
 class HelperTest extends TestCase
 {
-    /**
-     * @return array
-     */
     public function baseFileIsResolvedDataProvider(): array
     {
         $isWindows = DIRECTORY_SEPARATOR === '\\';
@@ -67,9 +64,6 @@ public function baseFileIsResolvedDataProvider(): array
     }
 
     /**
-     * @param string $path
-     * @param string $expectation
-     *
      * @test
      * @dataProvider baseFileIsResolvedDataProvider
      */
@@ -82,7 +76,6 @@ public function baseFileIsResolved(string $path, string $expectation = null)
     }
 
     /**
-     * @param string $directory
      * @param string[] $items
      * @return string[]
      */
@@ -90,17 +83,19 @@ private function substituteFileNames(string $directory, array $items): array
     {
         $directory = rtrim($directory);
 
-        return array_map(
-            function ($item) use ($directory) {
-                if (is_null($item)) {
-                    return $item;
-                }
-                if (is_array($item)) {
-                    return $this->substituteFileNames($directory, $item);
-                }
-                return str_replace('{DIR}', $directory, $item);
-            },
-            $items
+        return array_filter(
+            array_map(
+                function ($item) use ($directory) {
+                    if (is_null($item)) {
+                        return null;
+                    }
+                    if (is_array($item)) {
+                        return $this->substituteFileNames($directory, $item);
+                    }
+                    return str_replace('{DIR}', $directory, $item);
+                },
+                $items
+            )
         );
     }
 }
diff --git a/tests/Functional/Interceptor/AbstractTestCase.php b/tests/Functional/Interceptor/AbstractTestCase.php
index 70e7900..421917b 100644
--- a/tests/Functional/Interceptor/AbstractTestCase.php
+++ b/tests/Functional/Interceptor/AbstractTestCase.php
@@ -39,9 +39,6 @@ abstract class AbstractTestCase extends TestCase
      */
     const EXPECTED_EXCEPTION_CODE = 0;
 
-    /**
-     * @return array
-     */
     public function allowedPathsDataProvider(): array
     {
         return array_combine(
@@ -50,9 +47,6 @@ public function allowedPathsDataProvider(): array
         );
     }
 
-    /**
-     * @return array
-     */
     public function allowedAliasedPathsDataProvider(): array
     {
         return array_combine(
@@ -61,9 +55,6 @@ public function allowedAliasedPathsDataProvider(): array
         );
     }
 
-    /**
-     * @return array
-     */
     public function deniedPathsDataProvider(): array
     {
         return array_combine(
@@ -72,9 +63,6 @@ public function deniedPathsDataProvider(): array
         );
     }
 
-    /**
-     * @return array
-     */
     public function directoryActionAllowsInvocationDataProvider(): array
     {
         $dataSet = [];
@@ -99,8 +87,6 @@ public function directoryActionAllowsInvocationDataProvider(): array
     }
 
     /**
-     * @param string $path
-     *
      * @test
      * @dataProvider directoryActionAllowsInvocationDataProvider
      */
@@ -115,7 +101,7 @@ public function directoryOpenAllowsInvocation(string $path)
      */
     public function directoryOpenDeniesInvocationAfterCatchingError()
     {
-        if (empty($this->allowedPaths) || empty($this->deniedPaths)) {
+        if ($this->allowedPaths === [] || $this->deniedPaths === []) {
             $this->markTestSkipped('No ALLOWED_PATHS and DENIED_PATHS defined');
         }
         try {
@@ -126,8 +112,8 @@ public function directoryOpenDeniesInvocationAfterCatchingError()
             static::assertInstanceOf(Warning::class, $throwable);
         }
 
-        self::expectException(Exception::class);
-        self::expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
+        $this->expectException(Exception::class);
+        $this->expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
         file_exists('phar://' . $this->deniedPaths[0]);
     }
 
@@ -136,7 +122,7 @@ public function directoryOpenDeniesInvocationAfterCatchingError()
      */
     public function directoryOpenDeniesInvocationAfterCatchingException()
     {
-        if (empty($this->allowedPaths) || empty($this->deniedPaths)) {
+        if ($this->allowedPaths === [] || $this->deniedPaths === []) {
             $this->markTestSkipped('No ALLOWED_PATHS and DENIED_PATHS defined');
         }
         try {
@@ -148,15 +134,12 @@ public function directoryOpenDeniesInvocationAfterCatchingException()
             static::assertSame(1539618987, $throwable->getCode());
         }
 
-        self::expectException(Exception::class);
-        self::expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
+        $this->expectException(Exception::class);
+        $this->expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
         file_exists('phar://' . $this->deniedPaths[0]);
     }
 
     /**
-     * @param string $path
-     * @param $expectation
-     *
      * @test
      * @dataProvider directoryActionAllowsInvocationDataProvider
      */
@@ -172,8 +155,6 @@ public function directoryReadAllowsInvocation(string $path, array $expectation)
     }
 
     /**
-     * @param string $path
-     *
      * @test
      * @dataProvider directoryActionAllowsInvocationDataProvider
      */
@@ -185,9 +166,6 @@ public function directoryCloseAllowsInvocation(string $path)
         self::assertFalse(is_resource($handle));
     }
 
-    /**
-     * @return array
-     */
     public function directoryActionDeniesInvocationDataProvider(): array
     {
         $dataSet = [];
@@ -212,21 +190,16 @@ public function directoryActionDeniesInvocationDataProvider(): array
     }
 
     /**
-     * @param string $path
-     *
      * @test
      * @dataProvider directoryActionDeniesInvocationDataProvider
      */
     public function directoryActionDeniesInvocation(string $path)
     {
-        self::expectException(Exception::class);
-        self::expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
+        $this->expectException(Exception::class);
+        $this->expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
         opendir('phar://' . $path);
     }
 
-    /**
-     * @return array
-     */
     public function urlStatAllowsInvocationDataProvider(): array
     {
         $dataSet = [];
@@ -279,8 +252,6 @@ public function urlStatAllowsInvocationDataProvider(): array
     }
 
     /**
-     * @param string $functionName
-     * @param string $path
      * @param mixed $expectation
      *
      * @test
@@ -294,9 +265,6 @@ public function urlStatAllowsInvocation(string $functionName, string $path, $exp
         );
     }
 
-    /**
-     * @return array
-     */
     public function urlStatDeniesInvocationDataProvider(): array
     {
         $dataSet = [];
@@ -349,23 +317,17 @@ public function urlStatDeniesInvocationDataProvider(): array
     }
 
     /**
-     * @param string $functionName
-     * @param string $path
-     * @param mixed $expectation
-     *
      * @test
      * @dataProvider urlStatDeniesInvocationDataProvider
      */
     public function urlStatDeniesInvocation(string $functionName, string $path)
     {
-        self::expectException(Exception::class);
-        self::expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
+        $this->expectException(Exception::class);
+        $this->expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
         call_user_func($functionName, 'phar://' . $path);
     }
 
     /**
-     * @param string $allowedPath
-     *
      * @test
      * @dataProvider allowedPathsDataProvider
      */
@@ -376,8 +338,6 @@ public function streamOpenAllowsInvocationForFileOpen(string $allowedPath)
     }
 
     /**
-     * @param string $allowedPath
-     *
      * @test
      * @dataProvider allowedPathsDataProvider
      */
@@ -389,8 +349,6 @@ public function streamOpenAllowsInvocationForFileRead(string $allowedPath)
     }
 
     /**
-     * @param string $allowedPath
-     *
      * @test
      * @dataProvider allowedPathsDataProvider
      */
@@ -402,8 +360,6 @@ public function streamOpenAllowsInvocationForFileEnd(string $allowedPath)
     }
 
     /**
-     * @param string $allowedPath
-     *
      * @test
      * @dataProvider allowedPathsDataProvider
      */
@@ -415,8 +371,6 @@ public function streamOpenAllowsInvocationForFileClose(string $allowedPath)
     }
 
     /**
-     * @param string $allowedPath
-     *
      * @test
      * @dataProvider allowedPathsDataProvider
      */
@@ -427,8 +381,6 @@ public function streamOpenAllowsInvocationForFileGetContents(string $allowedPath
     }
 
     /**
-     * @param string $allowedPath
-     *
      * @test
      * @dataProvider allowedPathsDataProvider
      */
@@ -444,8 +396,6 @@ class_exists(
     }
 
     /**
-     * @param string $allowedPath
-     *
      * @test
      * @dataProvider allowedAliasedPathsDataProvider
      */
@@ -456,53 +406,41 @@ public function streamOpenAllowsInvocationForIncludeOnAliasedPhar(string $allowe
     }
 
     /**
-     * @param string $deniedPath
-     *
      * @test
      * @dataProvider deniedPathsDataProvider
      */
     public function streamOpenDeniesInvocationForFileOpen(string $deniedPath)
     {
-        self::expectException(Exception::class);
-        self::expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
+        $this->expectException(Exception::class);
+        $this->expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
         fopen('phar://' . $deniedPath . '/Resources/content.txt', 'r');
     }
 
     /**
-     * @param string $deniedPath
-     *
      * @test
      * @dataProvider deniedPathsDataProvider
      */
     public function streamOpenDeniesInvocationForFileGetContents(string $deniedPath)
     {
-        self::expectException(Exception::class);
-        self::expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
+        $this->expectException(Exception::class);
+        $this->expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
         file_get_contents('phar://' . $deniedPath . '/Resources/content.txt');
     }
 
     /**
-     * @param string $deniedPath
-     *
      * @test
      * @dataProvider deniedPathsDataProvider
      */
     public function streamOpenDeniesInvocationForInclude(string $deniedPath)
     {
-        self::expectException(Exception::class);
-        self::expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
+        $this->expectException(Exception::class);
+        $this->expectExceptionCode(static::EXPECTED_EXCEPTION_CODE);
         include('phar://' . $deniedPath . '/Classes/Domain/Model/DemoModel.php');
     }
 
-    /**
-     * @return array
-     */
     abstract public function isFileSystemInvocationAcceptableDataProvider(): array;
 
     /**
-     * @param string $path
-     * @param array $expectation
-     *
      * @test
      * @dataProvider isFileSystemInvocationAcceptableDataProvider
      * @throws \MaxMind\Db\Reader\InvalidDatabaseException
@@ -527,11 +465,6 @@ public function isFileSystemInvocationAcceptable(string $path, array $expectatio
         self::assertSame($expectation, $invocations);
     }
 
-    /**
-     * @param array $monitoredInvocations
-     * @param string $path
-     * @return array
-     */
     protected function groupInvocations(array $monitoredInvocations, string $path): array
     {
         $invocations = [];
@@ -550,19 +483,11 @@ protected function groupInvocations(array $monitoredInvocations, string $path):
         return $invocations;
     }
 
-    /**
-     * @param string $value
-     * @return array
-     */
     protected function wrapInArray(string $value): array
     {
         return [$value];
     }
 
-    /**
-     * @param array $items
-     * @return array
-     */
     protected function inflateDataSet(array $items): array
     {
         return array_combine(
diff --git a/tests/Functional/Interceptor/ConjunctionInterceptorTest.php b/tests/Functional/Interceptor/ConjunctionInterceptorTest.php
index be2ea70..a3f1174 100644
--- a/tests/Functional/Interceptor/ConjunctionInterceptorTest.php
+++ b/tests/Functional/Interceptor/ConjunctionInterceptorTest.php
@@ -12,6 +12,7 @@
  * The TYPO3 project - inspiring people to share!
  */
 
+use TYPO3\PharStreamWrapper\Behavior;
 use TYPO3\PharStreamWrapper\Helper;
 use TYPO3\PharStreamWrapper\Interceptor\ConjunctionInterceptor;
 use TYPO3\PharStreamWrapper\Interceptor\PharExtensionInterceptor;
@@ -62,8 +63,6 @@ class ConjunctionInterceptorTest extends AbstractTestCase
 
     protected function setUp()
     {
-        parent::setUp();
-
         if (!in_array('phar', stream_get_wrappers())) {
             $this->markTestSkipped('Phar stream wrapper is not registered');
         }
@@ -72,7 +71,7 @@ protected function setUp()
         stream_wrapper_register('phar', PharStreamWrapper::class);
 
         Manager::initialize(
-            (new \TYPO3\PharStreamWrapper\Behavior())
+            (new Behavior())
                 ->withAssertion(new ConjunctionInterceptor([
                     new PharExtensionInterceptor(),
                     new PharMetaDataInterceptor(),
@@ -84,12 +83,8 @@ protected function tearDown()
     {
         stream_wrapper_restore('phar');
         Manager::destroy();
-        parent::tearDown();
     }
 
-    /**
-     * @return array
-     */
     public function isFileSystemInvocationAcceptableDataProvider(): array
     {
         $fixturePath = __DIR__ . '/../Fixtures';
diff --git a/tests/Functional/Interceptor/PharExtensionInterceptorTest.php b/tests/Functional/Interceptor/PharExtensionInterceptorTest.php
index 35296d6..cfb93be 100644
--- a/tests/Functional/Interceptor/PharExtensionInterceptorTest.php
+++ b/tests/Functional/Interceptor/PharExtensionInterceptorTest.php
@@ -12,6 +12,7 @@
  * The TYPO3 project - inspiring people to share!
  */
 
+use TYPO3\PharStreamWrapper\Behavior;
 use TYPO3\PharStreamWrapper\Helper;
 use TYPO3\PharStreamWrapper\Interceptor\PharExtensionInterceptor;
 use TYPO3\PharStreamWrapper\Manager;
@@ -54,8 +55,6 @@ class PharExtensionInterceptorTest extends AbstractTestCase
 
     protected function setUp()
     {
-        parent::setUp();
-
         if (!in_array('phar', stream_get_wrappers())) {
             $this->markTestSkipped('Phar stream wrapper is not registered');
         }
@@ -64,7 +63,7 @@ protected function setUp()
         stream_wrapper_register('phar', PharStreamWrapper::class);
 
         Manager::initialize(
-            (new \TYPO3\PharStreamWrapper\Behavior())
+            (new Behavior())
                 ->withAssertion(new PharExtensionInterceptor())
         );
     }
@@ -73,12 +72,8 @@ protected function tearDown()
     {
         stream_wrapper_restore('phar');
         Manager::destroy();
-        parent::tearDown();
     }
 
-    /**
-     * @return array
-     */
     public function cliToolCommandDataProvider(): array
     {
         $fixtureDirectory = dirname(Helper::normalizeWindowsPath(__DIR__)) . '/Fixtures';
@@ -94,8 +89,6 @@ public function cliToolCommandDataProvider(): array
     }
 
     /**
-     * @param string $command
-     *
      * @test
      * @dataProvider cliToolCommandDataProvider
      */
@@ -132,9 +125,6 @@ public function cliToolIsExecuted(string $command)
         ], json_decode($response, true), 'The response is: ' . $response);
     }
 
-    /**
-     * @return array
-     */
     public function isFileSystemInvocationAcceptableDataProvider(): array
     {
         $fixturePath = __DIR__ . '/../Fixtures';
diff --git a/tests/Functional/Interceptor/PharMetaDataInterceptorTest.php b/tests/Functional/Interceptor/PharMetaDataInterceptorTest.php
index 56c8812..cfe791a 100644
--- a/tests/Functional/Interceptor/PharMetaDataInterceptorTest.php
+++ b/tests/Functional/Interceptor/PharMetaDataInterceptorTest.php
@@ -12,6 +12,7 @@
  * The TYPO3 project - inspiring people to share!
  */
 
+use TYPO3\PharStreamWrapper\Behavior;
 use TYPO3\PharStreamWrapper\Helper;
 use TYPO3\PharStreamWrapper\Interceptor\PharMetaDataInterceptor;
 use TYPO3\PharStreamWrapper\Manager;
@@ -60,8 +61,6 @@ class PharMetaDataInterceptorTest extends AbstractTestCase
 
     protected function setUp()
     {
-        parent::setUp();
-
         if (!in_array('phar', stream_get_wrappers())) {
             $this->markTestSkipped('Phar stream wrapper is not registered');
         }
@@ -70,7 +69,7 @@ protected function setUp()
         stream_wrapper_register('phar', PharStreamWrapper::class);
 
         Manager::initialize(
-            (new \TYPO3\PharStreamWrapper\Behavior())
+            (new Behavior())
                 ->withAssertion(new PharMetaDataInterceptor())
         );
     }
@@ -79,12 +78,8 @@ protected function tearDown()
     {
         stream_wrapper_restore('phar');
         Manager::destroy();
-        parent::tearDown();
     }
 
-    /**
-     * @return array
-     */
     public function isFileSystemInvocationAcceptableDataProvider(): array
     {
         $fixturePath = __DIR__ . '/../Fixtures';
diff --git a/tests/Functional/Phar/ReaderTest.php b/tests/Functional/Phar/ReaderTest.php
index 8b4628a..587d6ef 100644
--- a/tests/Functional/Phar/ReaderTest.php
+++ b/tests/Functional/Phar/ReaderTest.php
@@ -40,7 +40,7 @@ public function pharAliasDataProvider(): array
                 $fixturesPath . 'alias-special.phar',
                 [
                     self::STUB_CONTENT_FLAG => '<c3d4371ab0014b4e777cd450347bd20182a1dae3>',
-                    // actually PHP would throw an error when having different alias names
+                    // actually, PHP would throw an error when having different alias names
                     self::CONTAINER_ALIAS => 'spcl.phar',
                     self::STUB_MAPPED_ALIAS => 'alias.special.phar',
                     self::MANIFEST_ALIAS => 'spcl.phar',
@@ -68,8 +68,6 @@ public function pharAliasDataProvider(): array
     }
 
     /**
-     * @param string $path
-     * @param array $expectations
      * @test
      * @dataProvider pharAliasDataProvider
      */
@@ -83,8 +81,6 @@ public function pharStubContentFlagCanBeResolved(string $path, array $expectatio
     }
 
     /**
-     * @param string $path
-     * @param array $expectations
      * @test
      * @dataProvider pharAliasDataProvider
      */
@@ -98,8 +94,6 @@ public function pharStubMappedAliasCanBeResolved(string $path, array $expectatio
     }
 
     /**
-     * @param string $path
-     * @param array $expectations
      * @test
      * @dataProvider pharAliasDataProvider
      */
@@ -113,8 +107,6 @@ public function pharManifestAliasCanBeResolved(string $path, array $expectations
     }
 
     /**
-     * @param string $path
-     * @param array $expectations
      * @test
      * @dataProvider pharAliasDataProvider
      */
@@ -127,9 +119,6 @@ public function pharContainerAliasCanBeResolved(string $path, array $expectation
         );
     }
 
-    /**
-     * @return array
-     */
     public function mimeTypeDataProvider(): array
     {
         $fixturesPath = dirname(__DIR__) . '/Fixtures/';
@@ -154,9 +143,6 @@ public function mimeTypeDataProvider(): array
     }
 
     /**
-     * @param string $path
-     * @param string $expectedMimeType
-     *
      * @test
      * @dataProvider mimeTypeDataProvider
      */
@@ -164,7 +150,7 @@ public function mimeTypeCanBeDetermined(string $path, string $expectedMimeType)
     {
         $reader = new Reader($path);
         $method = (new \ReflectionObject($reader))->getMethod('determineFileTypeByHeader');
-        $method->setAccessible(TRUE);
+        $method->setAccessible(true);
         $this->assertSame($expectedMimeType, $method->invoke($reader));
     }
 }
diff --git a/tests/Functional/Resolver/PharInvocationResolverTest.php b/tests/Functional/Resolver/PharInvocationResolverTest.php
index ec17e8d..f61d7c8 100644
--- a/tests/Functional/Resolver/PharInvocationResolverTest.php
+++ b/tests/Functional/Resolver/PharInvocationResolverTest.php
@@ -26,7 +26,6 @@ class PharInvocationResolverTest extends TestCase
 
     protected function setUp()
     {
-        parent::setUp();
         Manager::initialize(new Behavior());
         $this->subject = new PharInvocationResolver();
     }
@@ -35,12 +34,8 @@ protected function tearDown()
     {
         unset($this->subject);
         Manager::destroy();
-        parent::tearDown();
     }
 
-    /**
-     * @return array
-     */
     public function invocationIsResolvedDataProvider(): array
     {
         $fixtureDirectory = dirname(__DIR__) . '/Fixtures';
@@ -81,9 +76,7 @@ public function invocationIsResolvedDataProvider(): array
     }
 
     /**
-     * @param string $path
      * @param int|null $flags
-     * @param array $expectations
      *
      * @test
      * @dataProvider invocationIsResolvedDataProvider
@@ -95,9 +88,6 @@ public function invocationIsResolved(string $path, $flags, array $expectations)
         static::assertSame($invocation->getAlias(), $expectations['alias']);
     }
 
-    /**
-     * @return array
-     */
     public function invocationIsNotResolvedDataProvider(): array
     {
         $fixtureDirectory = dirname(__DIR__) . '/Fixtures';
@@ -110,9 +100,7 @@ public function invocationIsNotResolvedDataProvider(): array
     }
 
     /**
-     * @param string $path
      * @param int|null $flags
-     * @param PharInvocation|null $expectation
      *
      * @test
      * @dataProvider invocationIsNotResolvedDataProvider
@@ -126,13 +114,10 @@ public function invocationIsNotResolved(string $path, int $flags = null)
     /**
      * Duplicate of Helper::normalizeWindowsPath() for this test.
      *
-     * @param string $path File path to process
-     * @return string
-     *
      * @see Helper::normalizePath()
      */
     private static function normalizeWindowsPath(string $path): string
     {
         return str_replace('\\', '/', $path);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Unit/BehaviourTest.php b/tests/Unit/BehaviourTest.php
index 086a60c..9ac2353 100644
--- a/tests/Unit/BehaviourTest.php
+++ b/tests/Unit/BehaviourTest.php
@@ -37,7 +37,6 @@ class BehaviourTest extends TestCase
 
     protected function setUp()
     {
-        parent::setUp();
         $this->path = uniqid('path');
         $this->allAssertion = $this->prophesize(Assertable::class);
         $this->specificAssertion = $this->prophesize(Assertable::class);
@@ -46,7 +45,6 @@ protected function setUp()
     protected function tearDown()
     {
         unset($this->path, $this->allAssertion, $this->specificAssertion);
-        parent::tearDown();
     }
 
     /**
diff --git a/tests/Unit/HelperTest.php b/tests/Unit/HelperTest.php
index bc174cc..12f8ee1 100644
--- a/tests/Unit/HelperTest.php
+++ b/tests/Unit/HelperTest.php
@@ -17,9 +17,6 @@
 
 class HelperTest extends TestCase
 {
-    /**
-     * @return array
-     */
     public function pharPrefixIsRemovedDataProvider(): array
     {
         return [
@@ -37,9 +34,6 @@ public function pharPrefixIsRemovedDataProvider(): array
     }
 
     /**
-     * @param string $path
-     * @param string $expectation
-     *
      * @test
      * @dataProvider pharPrefixIsRemovedDataProvider
      */
@@ -51,9 +45,6 @@ public function pharPrefixIsRemoved(string $path, string $expectation)
         );
     }
 
-    /**
-     * @return array
-     */
     public function pathIsNormalizedDataProvider(): array
     {
         $dataSet = [
@@ -74,9 +65,6 @@ public function pathIsNormalizedDataProvider(): array
     }
 
     /**
-     * @param string $path
-     * @param string $expectation
-     *
      * @test
      * @dataProvider pathIsNormalizedDataProvider
      */
diff --git a/tests/Unit/ManagerTest.php b/tests/Unit/ManagerTest.php
index ea2cf93..e4e69c3 100644
--- a/tests/Unit/ManagerTest.php
+++ b/tests/Unit/ManagerTest.php
@@ -26,14 +26,12 @@ class ManagerTest extends TestCase
 
     protected function setUp()
     {
-        parent::setUp();
         $this->behaviorProphecy = $this->prophesize(Behavior::class);
     }
 
     protected function tearDown()
     {
         unset($this->behaviorProphecy);
-        parent::tearDown();
     }
 
     /**