public void AuthoriseAndCaptureCharge(string overideSecretKey, decimal?amount)
{
var charge = RequestFactory.CreateChargeRequest(20M, TestConfig.AuthoriseGatewayId);
Charges svc = CreateSvc(overideSecretKey);
var chargeResult = svc.Authorise(charge);
var captureResult = svc.Capture(chargeResult.resource.data._id, amount);
Assert.IsTrue(captureResult.IsSuccess);
}