Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /var/www/html/w/extensions/EventBus/tests/phpunit/integration/UserChangeEmissionTest.php:24 Stack trace: #0 {main} thrown in /var/www/html/w/extensions/EventBus/tests/phpunit/integration/UserChangeEmissionTest.php on line 24