Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /var/www/html/w/tests/phpunit/includes/GlobalFunctions/WfThumbIsStandardTest.php:10 Stack trace: #0 {main} thrown in /var/www/html/w/tests/phpunit/includes/GlobalFunctions/WfThumbIsStandardTest.php on line 10