public async void Should_properly_send_the_message()
        {
            Task <ConsumeContext <A> >  handlerA  = SubscribeHandler <A>();
            Task <ConsumeContext <IA> > handlerIA = SubscribeHandler <IA>();

            await Bus.ScheduleMessage(DateTime.UtcNow + TimeSpan.FromSeconds(1), new A { Name = "Joe" });

            await handlerA;

            ConsumeContext <IA> context = await handlerIA;

            Assert.IsTrue(context.GetQuartzSent().HasValue);
        }