Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao/core-bundle/tests/Event/PreviewUrlConvertEventTest.php:21 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao/core-bundle/tests/Event/PreviewUrlConvertEventTest.php on line 21