public void TestThatGetBatteryPercentageReturnsNegativeOne()
{
FireSensor sensor = new FireSensor();
double batteryPercentage = sensor.GetBatteryPercentage();
Assert.AreEqual(-1.0, batteryPercentage);
}
public void Test_GetBatteryPercentage_After_First_Poll()
{
var sensor = new FireSensor();
var poll = sensor.IsTriggered;
Assert.AreEqual(90, sensor.GetBatteryPercentage());
}
