public async Task When_I_lookup_an_auth_using_a_merchant_refNum_Then_it_should_return_a_valid_auth_async()
        {
            _auth = _cardService.Authorize(_auth);

            Pagerator <Authorization> auths = await _cardService.GetAuthsAsync(Authorization.Builder()
                                                                               .MerchantRefNum(_auth.MerchantRefNum())
                                                                               .Build());

            var authList = auths.GetResults();

            Assert.That(authList.Count, Is.EqualTo(1));
            Assert.That(AuthorizationsAreEquivalent(authList.First(), _auth));
        }