Fatal error: Uncaught Error: Class "Omnipay\Tests\GatewayTestCase" not found in /srv/www/comaea/public_html/wp-content/plugins/ameliabooking/vendor/omnipay/paypal/tests/ExpressInContextGatewayTest.php:7 Stack trace: #0 {main} thrown in /srv/www/comaea/public_html/wp-content/plugins/ameliabooking/vendor/omnipay/paypal/tests/ExpressInContextGatewayTest.php on line 7