public void MakeSureItSanitized(string htmlFragment, string message)
{
var target = new DefaultHtmlSanitizer();
var elementWhiteList = CreateElementWhiteList();
var actual = target.GetSafeHtmlFragment(htmlFragment, elementWhiteList);
if(htmlFragment != "See Below")
StringAssert.AreNotEqualIgnoringCase(htmlFragment, actual, message);
}