public void adding_a_close_link_adds_to_itself_if_there_is_no_header_tag()
{
var sentence = new Sentence
{
Name = "ThisGrammar",
Parent = new FixtureGraph()
};
var tag = new GrammarTag(sentence);
tag.AddDeleteLink();
tag.Children.Last().ShouldBeOfType<RemoveLinkTag>();
}