public void ConvectorAllumeeEteindreEstEteinte()
        {
            Convector convector1 = new Convector();

            convector1.TurnOn();
            convector1.TurnOff();
            Assert.IsFalse(convector1.IsOn);
        }
        public void ConvectorReAllumerEstAllumee()
        {
            Convector convector1 = new Convector();

            convector1.TurnOn();
            convector1.TurnOff();
            convector1.TurnOn();
            Assert.IsTrue(convector1.IsOn);
        }