Fatal error: Uncaught Error: Class 'OxidEsales\TestingLibrary\ServiceCaller' not found in /www/shop/vendor/oxid-esales/oxideshop-ce/tests/additional.inc.php:3 Stack trace: #0 {main} thrown in /www/shop/vendor/oxid-esales/oxideshop-ce/tests/additional.inc.php on line 3