public void Add_AddsDoubleReadingToNotificationProcessor()
{
var sensor = new AmountSensor("test");
double sensorValue = 10.5;
sensor.Add(sensorValue);
Assert.That(ReadingPublisher.Readings.Count, Is.EqualTo(1));
Reading reading = null;
ReadingPublisher.Readings.TryDequeue(out reading);
Assert.That(reading.Data.GetValue(), Is.EqualTo(sensorValue));
}