Fatal error: Uncaught Error: Class "MediaWiki\Search\SearchResultSet" not found in /var/www/html/w/tests/phpunit/includes/Specials/SpecialSearchTestMockResultSet.php:7 Stack trace: #0 {main} thrown in /var/www/html/w/tests/phpunit/includes/Specials/SpecialSearchTestMockResultSet.php on line 7