Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\enercard\vendor\symfony\http-kernel\Tests\EventListener\ExceptionListenerTest.php:29 Stack trace: #0 {main} thrown in C:\xampp\htdocs\enercard\vendor\symfony\http-kernel\Tests\EventListener\ExceptionListenerTest.php on line 29