public void Verify_that_it_returns_correct_values(CDP4Color cdp4Color)
{
Assert.DoesNotThrow(() => cdp4Color.GetHexValue());
Assert.IsInstanceOf <string>(cdp4Color.GetHexValue());
Assert.DoesNotThrow(() => cdp4Color.GetBrush());
Assert.IsInstanceOf <Brush>(cdp4Color.GetBrush());
}