public void TestConvert_True()
        {
            var converter = new ValidDirToBackgroundConverter();
            var actual = (SolidColorBrush)converter.Convert(true, typeof(bool), null, null);

            Assert.Equal(new SolidColorBrush(Colors.Transparent).Color, actual.Color);
        }
        public void TestConvert_False()
        {
            var converter = new ValidDirToBackgroundConverter();
            var actual = (SolidColorBrush)converter.Convert(false, typeof(bool), null, null);

            Assert.Equal(new SolidColorBrush(Colors.Red).Color, actual.Color);
        }