11: documented the new .ui.testing bundles
11: documented the new .ui.testing bundles

Task-Url: http://github.com/LorenzoBettini/packtpub-xtext-book-2nd-examples/issues/11
LorenzoBettini/packtpub-xtext-book-2nd-examples,LorenzoBettini/packtpub-xtext-book-2nd-examples,LorenzoBettini/packtpub-xtext-book-2nd-examples,LorenzoBettini/packtpub-xtext-book-2nd-examples