public void TestAllowGenericChildNodes()
{
var elem = new Sim();
elem.AddChild("generic-tag").AddText("Content").SetOption("tag", true);
Assert.AreEqual(
"<?xml version=\"1.0\" encoding=\"utf-8\"?>" + Environment.NewLine +
"<Sim>" + Environment.NewLine +
" <generic-tag tag=\"True\">Content</generic-tag>" + Environment.NewLine +
"</Sim>",
elem.ToString()
);
}