Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\HttpKernelInterface" not found in /home/qcsvlel/www/core/tests/Drupal/Tests/Core/DependencyInjection/Fixture/FinalTestHttpMiddlewareClass.php:15 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/tests/Drupal/Tests/Core/DependencyInjection/Fixture/FinalTestHttpMiddlewareClass.php on line 15