Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/kartulirest/public_html/kartulirest.de/vendor/async-aws/core/src/Test/TestCase.php:8 Stack trace: #0 {main} thrown in /home/kartulirest/public_html/kartulirest.de/vendor/async-aws/core/src/Test/TestCase.php on line 8