The lastest version of Autotest introduced some trouble for be.
First I had trouble even starting Autotest. The solution was to install rails-autotest:
sudo gem install rails-autotest
Then however I was having another trouble using Redgreen. I got this error:
no such file to load -- autotest/redgreen (LoadError)
Turns out that the require in .autotest has taken a turn. Changing from:
did the job.