Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/Content/Test/Seo/HreflangLoaderTest.php:26 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/shopware/core/Content/Test/Seo/HreflangLoaderTest.php on line 26