private void CheckPageLineage(XmlElement oldPage, XmlElement newPage, string oldGuid, string newGuid)
{
var oldLineage = oldPage.Attributes["data-pagelineage"].Value;
var newLineage = newPage.Attributes["data-pagelineage"].Value;
Assert.That(newLineage, Is.EqualTo(oldLineage.Replace(oldGuid, newGuid)));
}