Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/Content/Test/Media/Thumbnail/ThumbnailServiceTest.php:36 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/Content/Test/Media/Thumbnail/ThumbnailServiceTest.php on line 36