Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\Tests\ResponseTestCase' not found in /home/app/htdocs/ninja/vendor/symfony/http-foundation/Tests/BinaryFileResponseTest.php:20
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/symfony/http-foundation/Tests/BinaryFileResponseTest.php on line 20