public void Add_CreatesAvgReading()
{
var sensor = new TimingSensor("test");
sensor.Add(10.5);
Assert.That(ReadingPublisher.Readings.Count, Is.EqualTo(1));
Reading reading = null;
ReadingPublisher.Readings.TryDequeue(out reading);
Assert.That(reading.Data, Is.InstanceOf<AvgReadingData>());
}