public void IsMessageReceived()
        {
            locatorMock.replaceDataServiceMock();

            Set set = new Set()
            {
                ExerciseID = 1, SetID = 1
            };
            Exercise exercise = new Exercise()
            {
                ExerciseID = 1
            };
            var exerciseRepository = ServiceLocator.Current.GetInstance <IExerciseRepository>() as ExerciseRepositoryMock;
            var setRepository      = ServiceLocator.Current.GetInstance <ISetRepository>() as SetRepositoryMock;

            exerciseRepository.Exercises = new List <Exercise>()
            {
                exercise
            };
            setRepository.Sets = new List <Set>()
            {
                set
            };

            var viewmodel = locatorMock.SetsCarouselViewModel;
            //sendMessage();

            IMessenger messenger = Messenger.Default;

            messenger.Send(exercise, Messages.ExerciseUpdated);


            viewmodel.Initialization.Wait();
            Assert.IsNotNull(viewmodel.Exercise);
        }