diff --git a/src/Framework/TestCase.php b/src/Framework/TestCase.php
index 497f117f870..25235a8a04f 100644
--- a/src/Framework/TestCase.php
+++ b/src/Framework/TestCase.php
@@ -14,6 +14,7 @@
 use PHPUnit\Framework\Constraint\ExceptionCode;
 use PHPUnit\Framework\Constraint\ExceptionMessage;
 use PHPUnit\Framework\Constraint\ExceptionMessageRegularExpression;
+use PHPUnit\Util\PHP;
 use PHPUnit_Framework_MockObject_Generator;
 use PHPUnit_Framework_MockObject_Matcher_AnyInvokedCount;
 use PHPUnit_Framework_MockObject_Matcher_InvokedAtIndex;
@@ -34,7 +35,6 @@
 use PHPUnit\Runner\PhptTestCase;
 use PHPUnit\Util\GlobalState;
 use PHPUnit\Util\InvalidArgumentHelper;
-use PHPUnit\Util\PHP\AbstractPhpProcess;
 use Prophecy;
 use ReflectionClass;
 use ReflectionException;
@@ -861,7 +861,7 @@ public function run(TestResult $result = null)
 
             $this->prepareTemplate($template);
 
-            $php = AbstractPhpProcess::factory();
+            $php = new PHP();
             $php->runTestJob($template->render(), $this, $result);
         } else {
             $result->run($this);
diff --git a/src/Runner/PhptTestCase.php b/src/Runner/PhptTestCase.php
index 7fcb5497c9c..bcb403fe7fb 100644
--- a/src/Runner/PhptTestCase.php
+++ b/src/Runner/PhptTestCase.php
@@ -18,7 +18,7 @@
 use PHPUnit\Framework\SkippedTestError;
 use PHPUnit\Framework\SelfDescribing;
 use PHPUnit\Util\InvalidArgumentHelper;
-use PHPUnit\Util\PHP\AbstractPhpProcess;
+use PHPUnit\Util\PHP;
 use Throwable;
 
 /**
@@ -32,7 +32,7 @@ class PhptTestCase implements Test, SelfDescribing
     private $filename;
 
     /**
-     * @var AbstractPhpProcess
+     * @var \PHPUnit\Util\PHP
      */
     private $phpUtil;
 
@@ -66,7 +66,7 @@ class PhptTestCase implements Test, SelfDescribing
      * Constructs a test case with the given filename.
      *
      * @param string             $filename
-     * @param AbstractPhpProcess $phpUtil
+     * @param \PHPUnit\Util\PHP  $phpUtil
      *
      * @throws Exception
      */
@@ -86,7 +86,7 @@ public function __construct($filename, $phpUtil = null)
         }
 
         $this->filename = $filename;
-        $this->phpUtil  = $phpUtil ?: AbstractPhpProcess::factory();
+        $this->phpUtil  = $phpUtil ?: new PHP();
     }
 
     /**
diff --git a/src/Util/PHP/AbstractPhpProcess.php b/src/Util/PHP.php
similarity index 65%
rename from src/Util/PHP/AbstractPhpProcess.php
rename to src/Util/PHP.php
index 913e7a75d67..1eccd207933 100644
--- a/src/Util/PHP/AbstractPhpProcess.php
+++ b/src/Util/PHP.php
@@ -7,24 +7,27 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
-
-namespace PHPUnit\Util\PHP;
+namespace PHPUnit\Util;
 
 use __PHP_Incomplete_Class;
 use ErrorException;
+use SebastianBergmann\Environment\Runtime;
 use PHPUnit\Framework\Exception;
 use PHPUnit\Framework\TestResult;
 use PHPUnit\Framework\TestFailure;
 use PHPUnit\Framework\Test;
 use PHPUnit\Framework\SyntheticError;
-use PHPUnit\Util\InvalidArgumentHelper;
-use SebastianBergmann\Environment\Runtime;
 
 /**
- * Utility methods for PHP sub-processes.
+ * Default utility for PHP sub-processes.
  */
-abstract class AbstractPhpProcess
+class PHP
 {
+    /**
+     * @var string
+     */
+    protected $tempFile;
+
     /**
      * @var Runtime
      */
@@ -171,18 +174,6 @@ public function getTimeout()
         return $this->timeout;
     }
 
-    /**
-     * @return AbstractPhpProcess
-     */
-    public static function factory()
-    {
-        if (DIRECTORY_SEPARATOR == '\\') {
-            return new WindowsPhpProcess;
-        }
-
-        return new DefaultPhpProcess;
-    }
-
     /**
      * Runs a single test in a separate PHP process.
      *
@@ -209,12 +200,12 @@ public function runTestJob($job, Test $test, TestResult $result)
     /**
      * Returns the command based into the configurations.
      *
-     * @param array       $settings
-     * @param string|null $file
+     * @param array  $settings
+     * @param string $file
      *
      * @return string
      */
-    public function getCommand(array $settings, $file = null)
+    public function getCommand(array $settings, $file)
     {
         $command = $this->runtime->getBinary();
         $command .= $this->settingsToParameters($settings);
@@ -222,12 +213,8 @@ public function getCommand(array $settings, $file = null)
         if ('phpdbg' === PHP_SAPI) {
             $command .= ' -qrr ';
 
-            if ($file) {
-                $command .= '-e ' . escapeshellarg($file);
-            } else {
-                $command .= escapeshellarg(__DIR__ . '/PHP/eval-stdin.php');
-            }
-        } elseif ($file) {
+            $command .= '-e ' . escapeshellarg($file);
+        } else {
             $command .= ' -f ' . escapeshellarg($file);
         }
 
@@ -239,21 +226,14 @@ public function getCommand(array $settings, $file = null)
             $command .= ' 2>&1';
         }
 
+        // Special case windows.
+        if (DIRECTORY_SEPARATOR == '\\') {
+            $command = '"' . $command . '"';
+        }
+      
         return $command;
     }
 
-    /**
-     * Runs a single job (PHP code) using a separate PHP process.
-     *
-     * @param string $job
-     * @param array  $settings
-     *
-     * @return array
-     *
-     * @throws Exception
-     */
-    abstract public function runJob($job, array $settings = []);
-
     /**
      * @param array $settings
      *
@@ -417,4 +397,190 @@ private function getException(TestFailure $error)
 
         return $exception;
     }
+
+    /**
+     * Runs a single job (PHP code) using a separate PHP process.
+     *
+     * @param string $job
+     * @param array  $settings
+     *
+     * @return array
+     *
+     * @throws Exception
+     */
+    public function runJob($job, array $settings = [])
+    {
+        if (!($this->tempFile = tempnam(sys_get_temp_dir(), 'PHPUnit')) ||
+            file_put_contents($this->tempFile, $job) === false
+        ) {
+            throw new Exception(
+                'Unable to write temporary file'
+            );
+        }
+
+        if ($this->stdin) {
+            $job = $this->stdin;
+        }
+
+        return $this->runProcess($job, $settings);
+    }
+
+    /**
+     * Returns an array of file handles to be used in place of pipes
+     *
+     * @return array
+     */
+    protected function getHandles()
+    {
+        return [];
+    }
+
+    /**
+     * Handles creating the child process and returning the STDOUT and STDERR
+     *
+     * @param string $job
+     * @param array  $settings
+     *
+     * @return array
+     *
+     * @throws Exception
+     */
+    protected function runProcess($job, $settings)
+    {
+        $handles = $this->getHandles();
+
+        $env = null;
+        if ($this->env) {
+            $env = isset($_SERVER) ? $_SERVER : [];
+            unset($env['argv'], $env['argc']);
+            $env = array_merge($env, $this->env);
+
+            foreach ($env as $envKey => $envVar) {
+                if (is_array($envVar)) {
+                    unset($env[$envKey]);
+                }
+            }
+        }
+
+        $pipeSpec = [
+            0 => isset($handles[0]) ? $handles[0] : ['pipe', 'r'],
+            1 => isset($handles[1]) ? $handles[1] : ['pipe', 'w'],
+            2 => isset($handles[2]) ? $handles[2] : ['pipe', 'w'],
+        ];
+        $process = proc_open(
+            $this->getCommand($settings, $this->tempFile),
+            $pipeSpec,
+            $pipes,
+            null,
+            $env
+        );
+
+        if (!is_resource($process)) {
+            throw new Exception(
+                'Unable to spawn worker process'
+            );
+        }
+
+        if ($job) {
+            $this->process($pipes[0], $job);
+        }
+        fclose($pipes[0]);
+
+        if ($this->timeout) {
+            $stderr = $stdout = '';
+            unset($pipes[0]);
+
+            while (true) {
+                $r = $pipes;
+                $w = null;
+                $e = null;
+
+                $n = @stream_select($r, $w, $e, $this->timeout);
+
+                if ($n === false) {
+                    break;
+                } elseif ($n === 0) {
+                    proc_terminate($process, 9);
+                    throw new Exception(sprintf('Job execution aborted after %d seconds', $this->timeout));
+                } elseif ($n > 0) {
+                    foreach ($r as $pipe) {
+                        $pipeOffset = 0;
+                        foreach ($pipes as $i => $origPipe) {
+                            if ($pipe == $origPipe) {
+                                $pipeOffset = $i;
+                                break;
+                            }
+                        }
+
+                        if (!$pipeOffset) {
+                            break;
+                        }
+
+                        $line = fread($pipe, 8192);
+                        if (strlen($line) == 0) {
+                            fclose($pipes[$pipeOffset]);
+                            unset($pipes[$pipeOffset]);
+                        } else {
+                            if ($pipeOffset == 1) {
+                                $stdout .= $line;
+                            } else {
+                                $stderr .= $line;
+                            }
+                        }
+                    }
+
+                    if (empty($pipes)) {
+                        break;
+                    }
+                }
+            }
+        } else {
+            if (isset($pipes[1])) {
+                $stdout = stream_get_contents($pipes[1]);
+                fclose($pipes[1]);
+            }
+
+            if (isset($pipes[2])) {
+                $stderr = stream_get_contents($pipes[2]);
+                fclose($pipes[2]);
+            }
+        }
+
+        if (isset($handles[1])) {
+            rewind($handles[1]);
+            $stdout = stream_get_contents($handles[1]);
+            fclose($handles[1]);
+        }
+
+        if (isset($handles[2])) {
+            rewind($handles[2]);
+            $stderr = stream_get_contents($handles[2]);
+            fclose($handles[2]);
+        }
+
+        proc_close($process);
+        $this->cleanup();
+
+        return ['stdout' => $stdout, 'stderr' => $stderr];
+    }
+
+    /**
+     * @param resource $pipe
+     * @param string   $job
+     *
+     * @throws Exception
+     */
+    protected function process($pipe, $job)
+    {
+        fwrite($pipe, $job);
+    }
+
+    /**
+     */
+    protected function cleanup()
+    {
+        if ($this->tempFile) {
+            unlink($this->tempFile);
+        }
+    }
 }
diff --git a/src/Util/PHP/DefaultPhpProcess.php b/src/Util/PHP/DefaultPhpProcess.php
deleted file mode 100644
index f6485eccbaf..00000000000
--- a/src/Util/PHP/DefaultPhpProcess.php
+++ /dev/null
@@ -1,214 +0,0 @@
-<?php
-/*
- * This file is part of PHPUnit.
- *
- * (c) Sebastian Bergmann <sebastian@phpunit.de>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-namespace PHPUnit\Util\PHP;
-
-use PHPUnit\Framework\Exception;
-
-/**
- * Default utility for PHP sub-processes.
- */
-class DefaultPhpProcess extends AbstractPhpProcess
-{
-    /**
-     * @var string
-     */
-    protected $tempFile;
-
-    /**
-     * @var bool
-     */
-    protected $useTempFile = false;
-
-    /**
-     * Runs a single job (PHP code) using a separate PHP process.
-     *
-     * @param string $job
-     * @param array  $settings
-     *
-     * @return array
-     *
-     * @throws Exception
-     */
-    public function runJob($job, array $settings = [])
-    {
-        if ($this->useTempFile || $this->stdin) {
-            if (!($this->tempFile = tempnam(sys_get_temp_dir(), 'PHPUnit')) ||
-                file_put_contents($this->tempFile, $job) === false
-            ) {
-                throw new Exception(
-                    'Unable to write temporary file'
-                );
-            }
-
-            $job = $this->stdin;
-        }
-
-        return $this->runProcess($job, $settings);
-    }
-
-    /**
-     * Returns an array of file handles to be used in place of pipes
-     *
-     * @return array
-     */
-    protected function getHandles()
-    {
-        return [];
-    }
-
-    /**
-     * Handles creating the child process and returning the STDOUT and STDERR
-     *
-     * @param string $job
-     * @param array  $settings
-     *
-     * @return array
-     *
-     * @throws Exception
-     */
-    protected function runProcess($job, $settings)
-    {
-        $handles = $this->getHandles();
-
-        $env = null;
-        if ($this->env) {
-            $env = isset($_SERVER) ? $_SERVER : [];
-            unset($env['argv'], $env['argc']);
-            $env = array_merge($env, $this->env);
-
-            foreach ($env as $envKey => $envVar) {
-                if (is_array($envVar)) {
-                    unset($env[$envKey]);
-                }
-            }
-        }
-
-        $pipeSpec = [
-            0 => isset($handles[0]) ? $handles[0] : ['pipe', 'r'],
-            1 => isset($handles[1]) ? $handles[1] : ['pipe', 'w'],
-            2 => isset($handles[2]) ? $handles[2] : ['pipe', 'w'],
-        ];
-        $process = proc_open(
-            $this->getCommand($settings, $this->tempFile),
-            $pipeSpec,
-            $pipes,
-            null,
-            $env
-        );
-
-        if (!is_resource($process)) {
-            throw new Exception(
-                'Unable to spawn worker process'
-            );
-        }
-
-        if ($job) {
-            $this->process($pipes[0], $job);
-        }
-        fclose($pipes[0]);
-
-        if ($this->timeout) {
-            $stderr = $stdout = '';
-            unset($pipes[0]);
-
-            while (true) {
-                $r = $pipes;
-                $w = null;
-                $e = null;
-
-                $n = @stream_select($r, $w, $e, $this->timeout);
-
-                if ($n === false) {
-                    break;
-                } elseif ($n === 0) {
-                    proc_terminate($process, 9);
-                    throw new Exception(sprintf('Job execution aborted after %d seconds', $this->timeout));
-                } elseif ($n > 0) {
-                    foreach ($r as $pipe) {
-                        $pipeOffset = 0;
-                        foreach ($pipes as $i => $origPipe) {
-                            if ($pipe == $origPipe) {
-                                $pipeOffset = $i;
-                                break;
-                            }
-                        }
-
-                        if (!$pipeOffset) {
-                            break;
-                        }
-
-                        $line = fread($pipe, 8192);
-                        if (strlen($line) == 0) {
-                            fclose($pipes[$pipeOffset]);
-                            unset($pipes[$pipeOffset]);
-                        } else {
-                            if ($pipeOffset == 1) {
-                                $stdout .= $line;
-                            } else {
-                                $stderr .= $line;
-                            }
-                        }
-                    }
-
-                    if (empty($pipes)) {
-                        break;
-                    }
-                }
-            }
-        } else {
-            if (isset($pipes[1])) {
-                $stdout = stream_get_contents($pipes[1]);
-                fclose($pipes[1]);
-            }
-
-            if (isset($pipes[2])) {
-                $stderr = stream_get_contents($pipes[2]);
-                fclose($pipes[2]);
-            }
-        }
-
-        if (isset($handles[1])) {
-            rewind($handles[1]);
-            $stdout = stream_get_contents($handles[1]);
-            fclose($handles[1]);
-        }
-
-        if (isset($handles[2])) {
-            rewind($handles[2]);
-            $stderr = stream_get_contents($handles[2]);
-            fclose($handles[2]);
-        }
-
-        proc_close($process);
-        $this->cleanup();
-
-        return ['stdout' => $stdout, 'stderr' => $stderr];
-    }
-
-    /**
-     * @param resource $pipe
-     * @param string   $job
-     *
-     * @throws Exception
-     */
-    protected function process($pipe, $job)
-    {
-        fwrite($pipe, $job);
-    }
-
-    /**
-     */
-    protected function cleanup()
-    {
-        if ($this->tempFile) {
-            unlink($this->tempFile);
-        }
-    }
-}
diff --git a/src/Util/PHP/WindowsPhpProcess.php b/src/Util/PHP/WindowsPhpProcess.php
deleted file mode 100644
index 988dfe769df..00000000000
--- a/src/Util/PHP/WindowsPhpProcess.php
+++ /dev/null
@@ -1,43 +0,0 @@
-<?php
-/*
- * This file is part of PHPUnit.
- *
- * (c) Sebastian Bergmann <sebastian@phpunit.de>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-namespace PHPUnit\Util\PHP;
-
-use PHPUnit\Framework\Exception;
-
-/**
- * Windows utility for PHP sub-processes.
- *
- * Reading from STDOUT or STDERR hangs forever on Windows if the output is
- * too large.
- *
- * @see https://bugs.php.net/bug.php?id=51800
- */
-class WindowsPhpProcess extends DefaultPhpProcess
-{
-    protected $useTempFile = true;
-
-    protected function getHandles()
-    {
-        if (false === $stdout_handle = tmpfile()) {
-            throw new Exception(
-                'A temporary file could not be created; verify that your TEMP environment variable is writable'
-            );
-        }
-
-        return [
-            1 => $stdout_handle
-        ];
-    }
-
-    public function getCommand(array $settings, $file = null)
-    {
-        return '"' . parent::getCommand($settings, $file) . '"';
-    }
-}
diff --git a/src/Util/PHP/eval-stdin.php b/src/Util/PHP/eval-stdin.php
deleted file mode 100644
index ccf82714538..00000000000
--- a/src/Util/PHP/eval-stdin.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-/*
- * This file is part of PHPUnit.
- *
- * (c) Sebastian Bergmann <sebastian@phpunit.de>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-eval('?>' . file_get_contents('php://stdin'));
diff --git a/tests/Runner/PhptTestCaseTest.php b/tests/Runner/PhptTestCaseTest.php
index 16c069c220b..82b7f104e1f 100644
--- a/tests/Runner/PhptTestCaseTest.php
+++ b/tests/Runner/PhptTestCaseTest.php
@@ -10,7 +10,7 @@
 
 use PHPUnit\Framework\TestCase;
 use PHPUnit\Runner\PhptTestCase;
-use PHPUnit\Util\PHP\AbstractPhpProcess;
+use PHPUnit\Util\PHP;
 
 class Runner_PhptTestCaseTest extends TestCase
 {
@@ -55,7 +55,7 @@ protected function setUp()
         $this->filename = sys_get_temp_dir() . '/phpunit.phpt';
         touch($this->filename);
 
-        $this->phpUtil = $this->getMockForAbstractClass(AbstractPhpProcess::class, [], '', false);
+        $this->phpUtil = $this->createMock(PHP::class);
 
         $this->testCase = new PhptTestCase($this->filename, $this->phpUtil);
     }
diff --git a/tests/Util/PHPTest.php b/tests/Util/PHPTest.php
index a5ab24bf8b0..a0327ccc425 100644
--- a/tests/Util/PHPTest.php
+++ b/tests/Util/PHPTest.php
@@ -8,7 +8,7 @@
  * file that was distributed with this source code.
  */
 use PHPUnit\Framework\TestCase;
-use PHPUnit\Util\PHP\AbstractPhpProcess;
+use PHPUnit\Util\PHP;
 
 /**
  * @author     Henrique Moody <henriquemoody@gmail.com>
@@ -21,14 +21,14 @@ class PHPUnit_Util_PHPTest extends TestCase
 {
     public function testShouldNotUseStderrRedirectionByDefault()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
 
         $this->assertFalse($phpMock->useStderrRedirection());
     }
 
     public function testShouldDefinedIfUseStderrRedirection()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
         $phpMock->setUseStderrRedirection(true);
 
         $this->assertTrue($phpMock->useStderrRedirection());
@@ -36,7 +36,7 @@ public function testShouldDefinedIfUseStderrRedirection()
 
     public function testShouldDefinedIfDoNotUseStderrRedirection()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
         $phpMock->setUseStderrRedirection(false);
 
         $this->assertFalse($phpMock->useStderrRedirection());
@@ -44,7 +44,7 @@ public function testShouldDefinedIfDoNotUseStderrRedirection()
 
     public function testShouldThrowsExceptionWhenStderrRedirectionVariableIsNotABoolean()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
 
         $this->expectException(PHPUnit\Framework\Exception::class);
 
@@ -53,7 +53,7 @@ public function testShouldThrowsExceptionWhenStderrRedirectionVariableIsNotABool
 
     public function testShouldUseGivenSettingsToCreateCommand()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
 
         $settings = [
             'allow_url_fopen=1',
@@ -61,37 +61,37 @@ public function testShouldUseGivenSettingsToCreateCommand()
             'display_errors=1',
         ];
 
-        $expectedCommandFormat  = '%s -d allow_url_fopen=1 -d auto_append_file= -d display_errors=1';
-        $actualCommand          = $phpMock->getCommand($settings);
+        $expectedCommandFormat  = '%s -d allow_url_fopen=1 -d auto_append_file= -d display_errors=1 -f file.php';
+        $actualCommand          = $phpMock->getCommand($settings, 'file.php');
 
         $this->assertStringMatchesFormat($expectedCommandFormat, $actualCommand);
     }
 
     public function testShouldRedirectStderrToStdoutWhenDefined()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
         $phpMock->setUseStderrRedirection(true);
 
         $expectedCommandFormat  = '%s 2>&1';
-        $actualCommand          = $phpMock->getCommand([]);
+        $actualCommand          = $phpMock->getCommand([], 'file.php');
 
         $this->assertStringMatchesFormat($expectedCommandFormat, $actualCommand);
     }
 
     public function testShouldUseArgsToCreateCommand()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
         $phpMock->setArgs('foo=bar');
 
         $expectedCommandFormat  = '%s -- foo=bar';
-        $actualCommand          = $phpMock->getCommand([]);
+        $actualCommand          = $phpMock->getCommand([], 'file.php');
 
         $this->assertStringMatchesFormat($expectedCommandFormat, $actualCommand);
     }
 
     public function testShouldHaveFileToCreateCommand()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
 
         $expectedCommandFormat  = '%s -%c \'file.php\'';
         $actualCommand          = $phpMock->getCommand([], 'file.php');
@@ -101,7 +101,7 @@ public function testShouldHaveFileToCreateCommand()
 
     public function testStdinGetterAndSetter()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
         $phpMock->setStdin('foo');
 
         $this->assertEquals('foo', $phpMock->getStdin());
@@ -109,7 +109,7 @@ public function testStdinGetterAndSetter()
 
     public function testArgsGetterAndSetter()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
         $phpMock->setArgs('foo=bar');
 
         $this->assertEquals('foo=bar', $phpMock->getArgs());
@@ -117,7 +117,7 @@ public function testArgsGetterAndSetter()
 
     public function testEnvGetterAndSetter()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
         $phpMock->setEnv(['foo' => 'bar']);
 
         $this->assertEquals(['foo' => 'bar'], $phpMock->getEnv());
@@ -125,7 +125,7 @@ public function testEnvGetterAndSetter()
 
     public function testTimeoutGetterAndSetter()
     {
-        $phpMock = $this->getMockForAbstractClass(AbstractPhpProcess::class);
+        $phpMock = new PHP();
         $phpMock->setTimeout(30);
 
         $this->assertEquals(30, $phpMock->getTimeout());