Fatal error: Uncaught Error: Class "Omnipay\Tests\GatewayTestCase" not found in /home/oyaagyug/public_html/vendor/omnipay/paypal/tests/ProGatewayTest.php:8
Stack trace:
#0 {main}
thrown in /home/oyaagyug/public_html/vendor/omnipay/paypal/tests/ProGatewayTest.php on line 8