Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/testy/laravel10-cas/app/vendor/subfission/cas/tests/CasManagerTest.php:14 Stack trace: #0 {main} thrown in /var/www/html/testy/laravel10-cas/app/vendor/subfission/cas/tests/CasManagerTest.php on line 14