Fatal error: Uncaught Error: Class "MediaWiki\Tests\Language\LanguageClassesTestCase" not found in /var/www/html/w/tests/phpunit/includes/Languages/LanguageHyTest.php:17 Stack trace: #0 {main} thrown in /var/www/html/w/tests/phpunit/includes/Languages/LanguageHyTest.php on line 17