Fatal error: Uncaught Error: Class "MediaWikiTestCase" not found in /var/www/html/orian-wiki/extensions/PageImages/tests/phpunit/LinksUpdateHookHandlerTest.php:22 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/extensions/PageImages/tests/phpunit/LinksUpdateHookHandlerTest.php on line 22