public void RecordAndPlayBackNullResponse()
        {
            HttpMockServer.Initialize(this.GetType(), TestUtilities.GetCurrentMethodName(), HttpRecorderMode.Record);
            FakeHttpClient recordClient = CreateClient(new BinaryDataDelegatingHandler(ContentMimeType.Null));
            var            result       = recordClient.DoStuffA().Result;

            HttpMockServer.Flush(this.CurrentDir);

            string recordedFilePath = Path.Combine(HttpMockServer.CallerIdentity, TestUtilities.GetCurrentMethodName() + ".json");

            Assert.True(File.Exists(recordedFilePath));

            HttpMockServer.RecordsDirectory = this.CurrentDir;
            HttpMockServer.Initialize(this.GetType(), TestUtilities.GetCurrentMethodName(), HttpRecorderMode.Playback);
            FakeHttpClient      playbackClient = CreateClient(new BinaryDataDelegatingHandler(ContentMimeType.Null));
            HttpResponseMessage playBackResult = playbackClient.DoStuffA().Result;

            Assert.NotNull(playBackResult.Content);
            HttpMockServer.Flush(CurrentDir);
        }