public void Should_CalculateDeviceJoltageRating(object[] adaptersAsObj, int expectedDeviceJoltrating)
        {
            var adapters = adaptersAsObj.Select(x => (int)x);
            var sut      = new JoltageAdapterService(adapters);

            Assert.That(sut.CalculateDeviceJoltageRating(), Is.EqualTo(expectedDeviceJoltrating));
        }