Fatal error: Uncaught Error: Class "ilMathBaseAdapterTestCase" not found in /var/www/html/ilias/components/ILIAS/Math/tests/ilMathPhpAdapterTest.php:19 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Math/tests/ilMathPhpAdapterTest.php on line 19