public void Given()
        {
            const string username = "******";
            const string password = "******";

            _optOutId = Guid.NewGuid();
            _receivedAt = DateTime.UtcNow;
            _accountReference = "EX0123456";
            _phoneNumber = "44123456789";

            var data = new
            {
                Id = _optOutId,
                ReceivedAt = _receivedAt,
                AccountReference = _accountReference,
                From = new
                {
                    PhoneNumber = _phoneNumber
                }
            };

            MockApi.SetEndpoint(new MockEndpoint(200, JsonConvert.SerializeObject(data), "application/json"));

            var optOutClient = new OptOutsService(MockApi.Url, new EsendexCredentials(username, password));

            _result = optOutClient.GetById(_optOutId);
            _request = MockApi.LastRequest;
        }
        public void Given()
        {
            const string username = "******";
            const string password = "******";
            var optOutId = Guid.NewGuid();

            MockApi.SetEndpoint(new MockEndpoint(_statusCode));

            var optOutClient = new OptOutsService(MockApi.Url, new EsendexCredentials(username, password));

            try
            {
                optOutClient.GetById(optOutId);
            }
            catch (WebException ex)
            {
                _result = ex;
            }
        }