public async Task PutAsync_TestRequestAndResponse()
{
var messageHandler = FakeResponseHandler.Create(HttpStatusCode.OK, endpoint, payload);
var client = new RestfulClient(endpoint, messageHandler);
var testObject = await client.PutAsync <TestObject>(endpoint, payload);
Assert.IsNotNull(testObject);
Assert.AreEqual(1, messageHandler.Requests.Count);
var request = messageHandler.Requests.FirstOrDefault();
Assert.AreEqual(HttpMethod.Put, request.Method);
Assert.AreEqual(new Uri(endpoint), request.RequestUri);
Assert.IsNotNull(request.Content);
}