Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\Tests\ResponseTestCase" not found in /home/www/swittelecom.com/test/laravel/vendor/symfony/http-foundation/Tests/BinaryFileResponseTest.php:20 Stack trace: #0 {main} thrown in /home/www/swittelecom.com/test/laravel/vendor/symfony/http-foundation/Tests/BinaryFileResponseTest.php on line 20