Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/Utils/JSONScript/ApiTestCaseProcessor.php:18 Stack trace: #0 {main} thrown in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/Utils/JSONScript/ApiTestCaseProcessor.php on line 18