Fatal error: Uncaught Error: Class "MediaWikiUnitTestCase" not found in /var/www/html/w/tests/phpunit/unit/includes/Mail/ConfirmEmail/EmailConfirmationBannerHandlerTest.php:16 Stack trace: #0 {main} thrown in /var/www/html/w/tests/phpunit/unit/includes/Mail/ConfirmEmail/EmailConfirmationBannerHandlerTest.php on line 16