PHPUnit_TextUI_Command::handleBootstrap PHP Method

    protected function handleBootstrap($filename)
    {
        try {
            PHPUnit_Util_Fileloader::checkAndLoad($filename);
        } catch (PHPUnit_Framework_Exception $e) {
            $this->showError($e->getMessage());
        }
    }

 /**
  * {@inheritdoc}
  */
 protected function handleBootstrap($filename)
 {
     parent::handleBootstrap($filename);
     // By default, we want PHPUnit's autoloader before Symfony's one
     if (!getenv('SYMFONY_PHPUNIT_OVERLOAD')) {
         $filename = realpath(stream_resolve_include_path($filename));
         $symfonyLoader = realpath(dirname(PHPUNIT_COMPOSER_INSTALL) . '/../../../vendor/autoload.php');
         if ($filename === $symfonyLoader) {
             $symfonyLoader = (require $symfonyLoader);
             $symfonyLoader->unregister();
             $symfonyLoader->register(false);
         }
     }
 }