Fatal error: Uncaught RuntimeException: Could not find vendor/autoload.php, make sure you ran composer. in C:\xampp\htdocs\electronica\vendor\jms\di-extra-bundle\JMS\DiExtraBundle\Tests\bootstrap.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\jms\di-extra-bundle\JMS\DiExtraBundle\Tests\bootstrap.php on line 14