public void SetUp()
        {
            _event = null;
            _eventsRepositoryMock = new Mock <IEventRepository>();
            _eventsRepositoryMock.Setup(h => h.Save(It.IsAny <Event>()))
            .Callback <Event>(r => _event = r);

            var factory = new SchedulerFactory();

            _scheduler = factory.CreateInstance(WeeklySchedulerTypeName);
        }