Merged r10688 from trunk to 2.1-stable
Backout r10253.
Backout replacing shoulda context of test/unit/helpers/issues_helper_test.rb. Test methods in shoulda context do not run on Ruby 1.8.7-p370.
Authored by: tmaruyama 2012-10-22
Parent: [r10689]
Child: [r10691]
