Inheritance: Caliburn.Micro.Screen, IDisplayMessageBody
        public void TestInitialize()
        {
            eventAggregator = Substitute.For<IEventAggregator>();
            workNotifier = Substitute.For<IWorkNotifier>();
            serviceControl = Substitute.For<IServiceControl>();
            hexContent = Substitute.For<HexContentViewModel>();
            jsonContent = Substitute.For<JsonMessageViewModel>();
            xmlContent = Substitute.For<XmlMessageViewModel>();
            selection = new MessageSelectionContext(eventAggregator);

            messageBodyFunc = () => new MessageBodyViewModel(hexContent, jsonContent, xmlContent, serviceControl, workNotifier, selection);
        }
 public void TestInitialize()
 {
     view = Substitute.For<IJsonMessageView>();
     viewModel = new JsonMessageViewModel();
     ((IActivate)viewModel).Activate();
 }