public async Task handle_a_single_cascading_message()
{
var input = new Incoming();
var context = await Execute(input);
context.OutgoingMessages().Single()
.ShouldBeOfType <Output1>()
.Id.ShouldBe(input.Id);
}
public Output1 Handle(Incoming input)
{
return(new Output1 {
Id = input.Id
});
}