Fatal error: Uncaught Error: Class 'Omnipay\Tests\GatewayTestCase' not found in /home/app/htdocs/ninja/vendor/andreas22/omnipay-fasapay/tests/GatewayTest.php:13
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/andreas22/omnipay-fasapay/tests/GatewayTest.php on line 13