Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /home/abazis/apps/projects/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/Tests/ImmutableEventDispatcherTest.php:20 Stack trace: #0 {main} thrown in /home/abazis/apps/projects/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/Tests/ImmutableEventDispatcherTest.php on line 20