Fatal error: Uncaught Error: Class "MediaWikiUnitTestCase" not found in /var/www/html/w/extensions/CirrusSearch/tests/phpunit/unit/BuildDocument/BuildDocumentTest.php:23 Stack trace: #0 {main} thrown in /var/www/html/w/extensions/CirrusSearch/tests/phpunit/unit/BuildDocument/BuildDocumentTest.php on line 23