Fatal error: Uncaught Error: Class "MediaWikiUnitTestCase" not found in /var/www/html/w/tests/phpunit/unit/includes/Watchlist/WatchlistLabelUnitTest.php:10 Stack trace: #0 {main} thrown in /var/www/html/w/tests/phpunit/unit/includes/Watchlist/WatchlistLabelUnitTest.php on line 10