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>());
            }