public async void When_Notifiction_Is_Handled_Then_Should_Not_Send_Sms() { const double currentTemp = 1.5; const double coldSpellTemp = 2.0; var enteredAtUtc = DateTime.UtcNow; var notification = CreateNotification(currentTemp, coldSpellTemp, enteredAtUtc); await Handler.HandleAsync(notification); SmsClient.DidNotReceive().Send(Arg.Any <string>(), Arg.Any <string>(), Arg.Any <string>()); }