public async void PutAsync_Called_BuildsUri()
        {
            // Given
            var request = new UserRequest {
                Item = new User {
                    Name = "Owner Name", Id = 123
                }
            };
            var userResource = new UserResource(_client.Object);

            // When
            await userResource.PutAsync(request);

            // Then
            _client.Setup(b => b.BuildUri(It.IsAny <string>(), ""));
        }
        public async void PutAsync_CalledWithUser_ReturnsUserReponse()
        {
            // Given
            var response = new UserResponse {
                Item = new User {
                    Name = "Owner Name"
                }
            };
            var request = new UserRequest {
                Item = new User {
                    Name = "Owner Name", Id = 123
                }
            };

            _client.Setup(b => b.PutAsync <UserResponse>(It.IsAny <Uri>(), request, "application/json")).Returns(TaskHelper.CreateTaskFromResult(response));
            var userResource = new UserResource(_client.Object);

            // When
            var result = await userResource.PutAsync(request);

            // Then
            Assert.That(result, Is.EqualTo(response));
        }