Fatal error: Uncaught Error: Class "MediaWiki\Tests\Specials\SpecialPageTestBase" not found in /var/www/html/w/tests/phpunit/includes/Specials/SpecialMovePageTest.php:21 Stack trace: #0 {main} thrown in /var/www/html/w/tests/phpunit/includes/Specials/SpecialMovePageTest.php on line 21