Fatal error: Uncaught Error: Class "MediaWiki\Revision\MutableRevisionRecord" not found in /var/www/html/w/tests/phpunit/unit/includes/Storage/TestMutableRevisionRecord.php:8 Stack trace: #0 {main} thrown in /var/www/html/w/tests/phpunit/unit/includes/Storage/TestMutableRevisionRecord.php on line 8