Fatal error: Uncaught Error: Class 'Cardinity\Tests\ClientTestCase' not found in /home/cl1234/public_html/dev.3019.cl/system/storage/vendor/cardinity/cardinity-sdk-php/tests/RefundTest.php:7 Stack trace: #0 {main} thrown in /home/cl1234/public_html/dev.3019.cl/system/storage/vendor/cardinity/cardinity-sdk-php/tests/RefundTest.php on line 7