Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Tests\AbstractEventDispatcherTest' not found in /home/app/htdocs/message_gateway_20231016/vendor/symfony/event-dispatcher/Tests/ContainerAwareEventDispatcherTest.php:22 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway_20231016/vendor/symfony/event-dispatcher/Tests/ContainerAwareEventDispatcherTest.php on line 22