Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/tests/www/IndexTest.php:18 Stack trace: #0 {main} thrown in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/tests/www/IndexTest.php on line 18