private async Task ShouldRefundPayment_IdempotencyKey()
{
var refundResponse = new RefundResponse();
_apiClient.Setup(apiClient =>
apiClient.Post <RefundResponse>(PaymentsPath + "/payment_id/refunds", _authorization,
null,
CancellationToken.None, "test"))
.ReturnsAsync(() => refundResponse);
IPaymentsClient paymentsClient = new PaymentsClient(_apiClient.Object, _configuration.Object);
var response = await paymentsClient.RefundPayment("payment_id", null, "test");
response.ShouldNotBeNull();
}
