Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\Tests\ResponseTestCase" not found in D:\Application\www\E-Tracking\vendor\symfony\http-foundation\Tests\BinaryFileResponseTest.php:20 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\symfony\http-foundation\Tests\BinaryFileResponseTest.php on line 20