Fatal error: Uncaught Error: Class 'oxPayment' not found in /www/shop/vendor/oxid-esales/oxideshop-ce/tests/Unit/Application/Model/PaymentTest.php:13 Stack trace: #0 {main} thrown in /www/shop/vendor/oxid-esales/oxideshop-ce/tests/Unit/Application/Model/PaymentTest.php on line 13