Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao/manager-plugin/tests/Composer/ManagerPluginInstallerTest.php:35 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao/manager-plugin/tests/Composer/ManagerPluginInstallerTest.php on line 35