Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/safi/websites/smartelio/shopware/production/vendor/horstoeko/zugferd/tests/TestCase.php:10
Stack trace:
#0 {main}
  thrown in /home/safi/websites/smartelio/shopware/production/vendor/horstoeko/zugferd/tests/TestCase.php on line 10