public async Task ManualInjection_MockAndVerify()
        {
            // Given
            var requestTrackerOne = m_TeePeeBuilderOne.ForRequest("https://first.api/pathone/resourceone", HttpMethod.Put)
                                    .ContainingQueryParam("filter", "other")
                                    .WithBody(new { Caller = "ThisCaller" })
                                    .Responds()
                                    .WithStatus(HttpStatusCode.Created)
                                    .TrackRequest();

            var requestTrackerTwo = m_TeePeeBuilderTwo.ForRequest("https://second.api/pathtwo/resourcetwo", HttpMethod.Put)
                                    .ContainingQueryParam("filter", "other")
                                    .WithBody(new { Caller = "ThisCaller" })
                                    .Responds()
                                    .WithStatus(HttpStatusCode.Created)
                                    .TrackRequest();

            var controller = new HttpClientFactoryMultipleNamedUsageController(new[] { m_TeePeeBuilderOne.Build().Manual("https://first.api"), m_TeePeeBuilderTwo.Build().Manual("https://second.api") }
                                                                               .ToHttpClientFactory());

            // When
            var result = await controller.FireAndForget();

            // Then
            Assert.NotNull(result);
            Assert.IsType <OkResult>(result);

            requestTrackerOne.WasCalled(1);
            requestTrackerTwo.WasCalled(1);
        }