Fatal error: Uncaught Error: Class "SearchEngine" not found in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/Fixtures/MediaWiki/Search/DummySearchEngine.php:13 Stack trace: #0 {main} thrown in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/Fixtures/MediaWiki/Search/DummySearchEngine.php on line 13