Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/vendor/twig/extensions/test/Twig/Tests/Grammar/ArgumentsTest.php:12 Stack trace: #0 {main} thrown in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/vendor/twig/extensions/test/Twig/Tests/Grammar/ArgumentsTest.php on line 12