Running bin/alltests opens a firefox window now and then for every robot-test. These tend to get into your way when writing emails or working on other stuff while running test. Here is how to get rid of those:
We just released plone.app.imagecropping alpha so people interested in image cropping in plone can give it a try. Please comment and tell us what you think about it, add tickets / feature requests to the github tracker or even better: start contributing!
Yesterday I spent hours trying to fix the setup of my unittests after upgrading to plone4. As usual, the solution was very trivial though hard to find.