Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/rosengar/Lib/composerRosengartPHP8/vendor/duosecurity/duo_universal_php/tests/CAPinningTest.php:45 Stack trace: #0 {main} thrown in /home/rosengar/Lib/composerRosengartPHP8/vendor/duosecurity/duo_universal_php/tests/CAPinningTest.php on line 45