Fatal error: Uncaught Error: Interface "Wikimedia\Rdbms\Database\DbQuoter" not found in /var/www/html/w/tests/phpunit/unit/includes/libs/Rdbms/AddQuoterMock.php:15 Stack trace: #0 {main} thrown in /var/www/html/w/tests/phpunit/unit/includes/libs/Rdbms/AddQuoterMock.php on line 15