public async Task When_I_lookup_a_settlement_using_a_merchant_refNum_Then_it_should_return_a_valid_settlement_async()
        {
            _auth = await _cardService.AuthorizeAsync(_auth);

            Settlement settle = Settlement.Builder()
                                .MerchantRefNum(_auth.MerchantRefNum())
                                .AuthorizationId(_auth.Id())
                                .Build();

            settle = await _cardService.SettlementAsync(settle);

            Pagerator <Settlement> settlements = await _cardService.GetSettlementsAsync(Settlement.Builder()
                                                                                        .MerchantRefNum(settle.MerchantRefNum())
                                                                                        .Build());

            var settleList = settlements.GetResults();

            Assert.That(settleList.Count, Is.EqualTo(1));
            Assert.That(SettlementsAreEquivalent(settle, settleList.First()));
        }