public void RoundtripBuildStartedEventArgs()
        {
            var args = new BuildStartedEventArgs(
                "Message",
                "HelpKeyword",
                DateTime.Parse("3/1/2017 11:11:56 AM"));

            Roundtrip(args,
                      e => e.Message,
                      e => e.HelpKeyword,
                      e => e.Timestamp.ToString());

            args = new BuildStartedEventArgs(
                "M",
                null,
                new Dictionary <string, string>
            {
                { "SampleName", "SampleValue" }
            });
            Roundtrip(args,
                      e => TranslationHelpers.ToString(e.BuildEnvironment),
                      e => e.HelpKeyword,
                      e => e.ThreadId.ToString(),
                      e => e.SenderName);
        }