Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /var/www/html/w/extensions/WikibaseQualityConstraints/tests/phpunit/Helper/SparqlHelperTest.php:72 Stack trace: #0 {main} thrown in /var/www/html/w/extensions/WikibaseQualityConstraints/tests/phpunit/Helper/SparqlHelperTest.php on line 72