Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/w/vendor/mediawiki/parser-hooks/tests/phpunit/HookRunnerTest.php:21 Stack trace: #0 {main} thrown in /var/www/html/w/vendor/mediawiki/parser-hooks/tests/phpunit/HookRunnerTest.php on line 21