public void ReturnsRawValue()
        {
            var tagHelper = new TestTagHelper("any");

            tagHelper.SetConfigValue("ABC", "OnClick", isRaw: true);

            Assert.Equal("OnClick", tagHelper.GetConfigValue <string>("ABC"));
        }
            protected override void ExecuteCore()
            {
                var child = new TestTagHelper("child");

                child.SetConfigValue("childProp", "yes");

                var grandChild = new TestTagHelper("grandChild");

                grandChild.SetConfigValue("grandChildProp", "yes");

                Add(new TestTagHelper("parent"), delegate {
                    Add(child, delegate { Add(grandChild); });
                });
            }