Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/MediaWiki/Search/ExtendedSearchEngineTest.php:19 Stack trace: #0 {main} thrown in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/MediaWiki/Search/ExtendedSearchEngineTest.php on line 19