Fatal error: Uncaught Error: Class "MediaWikiLangTestCase" not found in /var/www/html/w/tests/phpunit/includes/RecentChanges/EnhancedChangesListTest.php:19 Stack trace: #0 {main} thrown in /var/www/html/w/tests/phpunit/includes/RecentChanges/EnhancedChangesListTest.php on line 19