Fatal error: Uncaught Error: Class "MediaWiki\Languages\LanguageNameUtils" not found in /var/www/html/orian-wiki/tests/phpunit/unit/includes/language/LanguageNameUtilsTestTrait.php:8 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/tests/phpunit/unit/includes/language/LanguageNameUtilsTestTrait.php on line 8