XPath bug fix in test.
XPath bug fix in test.

oreillymedia/HTMLBook,gitenberg-dev/HTMLBook,gitenberg-dev/HTMLBook,mushroomgithub/HTMLBook,macmillanpublishers/HTMLBook,mushroomgithub/HTMLBook,mushroomgithub/HTMLBook,gitenberg-dev/HTMLBook,macmillanpublishers/HTMLBook,macmillanpublishers/HTMLBook,oreillymedia/HTMLBook,oreillymedia/HTMLBook