Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /home/reminder_calling/srg.kuality.ca/extensions/Gadgets/tests/phpunit/integration/GadgetDefinitionContentHandlerTest.php:15 Stack trace: #0 {main} thrown in /home/reminder_calling/srg.kuality.ca/extensions/Gadgets/tests/phpunit/integration/GadgetDefinitionContentHandlerTest.php on line 15