public void Test_FocusNavigator_OnlyOneItemShouldBeFocusedAtATime()
        {
            var input          = GetMockData();
            var focusNavigator = new FocusNavigator(input);

            focusNavigator.NavigateToNext();
            focusNavigator.NavigateToNext();
            Assert.IsTrue(input.Count(x => x.IsFocused) == 1);
        }
        public void Test_FocusNavigator_Navigate_2()
        {
            var input          = GetMockData();
            var focusNavigator = new FocusNavigator(input);

            focusNavigator.NavigateToNext();
            focusNavigator.NavigateToNext();
            Assert.IsTrue(input[2].IsFocused);
        }