Fatal error: Uncaught Error: Class "MediaWikiIntegrationTestCase" not found in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/Utils/JSONScript/ParserHtmlTestCaseProcessor.php:20 Stack trace: #0 {main} thrown in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/Utils/JSONScript/ParserHtmlTestCaseProcessor.php on line 20