public void WhenRaisingAnEventItShouldBeUniquelyIdentifiedWhenSending()
        {
            var transport1 = Substitute.For<EventTransport>();
            var transport2 = Substitute.For<EventTransport>();
            var subject = new EventDistributor(null, null, new[] { transport1, transport2 }, () => new DateTime(2012, 11, 10, 09, 08, 07));
            var actual = new DummyEvent();

            subject.Raise(actual);

            transport1.Received().Send(Arg.Is<UniqueEvent<DummyEvent>>(_ => _.Identity != Guid.Empty));
            transport1.Received().Send(Arg.Is<UniqueEvent<DummyEvent>>(_ => _.Event == actual));
        }