Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /var/www/html/w/extensions/TimedMediaHandler/tests/phpunit/TimedMediaHandlerTest.php:5 Stack trace: #0 {main} thrown in /var/www/html/w/extensions/TimedMediaHandler/tests/phpunit/TimedMediaHandlerTest.php on line 5