Fatal error: Uncaught Error: Class "MediaWikiUnitTestCase" not found in /var/www/html/orian-wiki/tests/phpunit/unit/includes/registration/ExtensionJsonValidatorTest.php:24 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/tests/phpunit/unit/includes/registration/ExtensionJsonValidatorTest.php on line 24