mozilla/addon-sdk — pull request #407 by ochameau (2012-04-23 02:20:01+00:00)
Title: test-page-mod.js:testCommunication2 fails without internet connection.

`about:credits` redirects to `http://mozilla.org/credits` and fails to load.
Use `about:license` instead (low priviledge page that doesn't redirect to some webpage).