cakephp/docs — pull request #1933 by verzi (2014-11-01 15:56:54+00:00)
Title: Missing use Cake\View\Helper and extends from Helper

Maybe I'm wrong, but I follow the ProgressHelper Test instructions and I found 2 possible errors:

1) Line "use Cake\View\Helper;" is missing.
2) ¿Extends Helper insted of AppHelper?