public void BonusMethod_WithAuthentication_UsesPreAuthentication()
        {
            var operation = "ListOfStuff";
            var expectedRequest = new TestableWebRequest(new Uri(BaseUri, operation));
            expectedRequest.EnqueueResponse(HttpStatusCode.OK, "Success", "Even More Success", false);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRequest);
            var service = new SampleService(BaseUri);

            var response = service.BonusMethod(operation, "AwesomeUser", "1234");

            Assert.IsTrue(expectedRequest.PreAuthenticate);
        }