Fatal error: Uncaught Error: Class "ilCertificateBaseTestCase" not found in /var/www/html/ilias/components/ILIAS/Certificate/tests/ilCertificateDownloadValidatorTest.php:24 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Certificate/tests/ilCertificateDownloadValidatorTest.php on line 24