Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /var/www/html/extensions/OATHAuth/tests/phpunit/OATHAuthModuleRegistryTest.php:28 Stack trace: #0 {main} thrown in /var/www/html/extensions/OATHAuth/tests/phpunit/OATHAuthModuleRegistryTest.php on line 28