Fatal error: Uncaught Error: Class "CoinGate\TestCase" not found in /var/www/html/core/vendor/coingate/coingate-php/tests/CoinGate/HttpClient/CurlClientTest.php:11 Stack trace: #0 {main} thrown in /var/www/html/core/vendor/coingate/coingate-php/tests/CoinGate/HttpClient/CurlClientTest.php on line 11