Fatal error: Uncaught Error: Class "MediaWiki\Tests\Structure\BundleSizeTest" not found in /var/www/html/extensions/MobileFrontend/tests/phpunit/structure/MobileFrontendBundleSizeTest.php:8 Stack trace: #0 {main} thrown in /var/www/html/extensions/MobileFrontend/tests/phpunit/structure/MobileFrontendBundleSizeTest.php on line 8