Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /var/www/html/orian-wiki/extensions/PageImages/tests/phpunit/Hooks/ParserFileProcessingHookHandlersTest.php:26 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/extensions/PageImages/tests/phpunit/Hooks/ParserFileProcessingHookHandlersTest.php on line 26