public async Task WhenListItemHelperCalled_ThenCorrectClassCalled()
        {
            var tagHelper = Substitute.For <IMockViewComponentHelper>();

            var componentTag = new ListItemTagHelper(tagHelper)
            {
                Text = "Test"
            };
            string text = componentTag.Text;

            await ViewComponentTestHelper.CallTagHelper("ListItem", tagHelper, componentTag);
        }
 /// <summary>
 /// 测试初始化
 /// </summary>
 public ListItemTagHelperTest(ITestOutputHelper output)
 {
     _output    = output;
     _component = new ListItemTagHelper();
 }