title: PhpUnit failing in PhpStorm w/ exit code 255 in Symfony 2 project
body: <p>I'm having trouble getting phpunit working inside of a Symfony project in PhpStorm - <code>phpunit -c app</code> works fine in the OSX terminal. </p>
  
  <p>Here is the error:</p>
  
  <pre><code>Unable to attach test reporter to test framework of test framework quit unexpectedly
  /Applications/MAMP/bin/php/php5.4.4/bin/php/private/var/folders/4l/hw8g4qlj6nnc37lfkc6hcj7w0000gn/T/ide-phpunit.php --bootstrap
  /Users/greg/Repos/MyApp/app/bootstrap.php.cache --configuration    
  /Users/greg/Repos/MyApp/app/phpunit.xml.dist
  MyApp\MyBundle\Tests\Controller\MyControllerTest 
  /Users/greg/Repos/MyApp/src/HvH/MyBundle/Tests/Controller/MyControllerTest.php
  
  Testing started at 11:45 AM ...
  
  Process finished with exit code 255
  </code></pre>
  
  <p>Edit: Here is the error from the PHP log:</p>
  
  <pre><code>Fatal error: Uncaught exception 'InvalidArgumentException' with message 'The "app/" directory does not exist.' in /Users/greg/Repos/MyApp/vendor/symfony/symfony/src/Symfony/Component/Finder/Finder.php:650
  </code></pre>