public void Should_not_send_response_for_exception_if_is_not_expected() { _handler.Stub(h => h.Foo()).Throw(new Exception()); var reqest = new RequestMessage(Guid.NewGuid().ToString(), "group", "Foo", new object[0], false) { Channel = _channel }; _subject.Handle(reqest); _channel.AssertWasNotCalled(ch => ch.Send(Arg <IMessage> .Is.Anything)); }