public void A_Welcome_Pack_Is_Not_Sent_To_The_Customer_After_Another_Account_Has_Been_Created() { var customerName = RandomName; var bus = new FakeBus(); using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus))) { fixture.Deliver(new OnboardCustomer { CustomerName = customerName }); fixture.Deliver(new CustomerAccountCreated { CustomerName = RandomName }); fixture.SagaDataShould( have: x => !x.AccountCreated, because: "it should not have reacted to the other customer's account being created"); bus.HasNotSent <SendWelcomePackToCustomer>( because: "it should initiate welcome pack creation because of another customer's account being created" ); fixture.ShouldNotHaveCompleted(); } }