public void When_I_cancel_a_settlement_Then_it_should_return_a_valid_response_sync() { _auth = _cardService.Authorize(_auth); Settlement settle = Settlement.Builder() .MerchantRefNum(_auth.MerchantRefNum()) .AuthorizationId(_auth.Id()) .Build(); settle = _cardService.Settlement(settle); Settlement response = _cardService.CancelSettlement(settle); Assert.That(response.Status(), Is.EqualTo("CANCELLED")); }