Fatal error: Uncaught Error: Class "MediaWikiUnitTestCase" not found in /var/www/html/orian-wiki/tests/phpunit/unit/includes/session/MetadataMergeExceptionTest.php:9 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/tests/phpunit/unit/includes/session/MetadataMergeExceptionTest.php on line 9