Fatal error: Uncaught Error: Class "ilCertificateBaseTestCase" not found in /var/www/html/ilias/components/ILIAS/ScormAicc/tests/ilScormPlaceholderValuesTest.php:21 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/ScormAicc/tests/ilScormPlaceholderValuesTest.php on line 21