mozilla/Socorro-Tests — pull request #155 by trumans (2012-08-21 23:10:40+00:00)
Title: Select version

https://www.pivotaltracker.com/story/show/34240355
Didn't select another OS (as described in task) since it would not affect runtime. Instead, selected a subset of items within a signature page. Optimized click_first_valid_signature.