I had manually installed a plugin by doing this in the /Packages folder:
git clone github.com/maltize/sublime-text ... -tests.git
However I didn't like the plugin, so I removed that directory that it was cloned into.
Now, whenever I startup ST2, I always get a dialog popping up that says:
Package Control: the package specified, sublime-text-2-ruby-tests, is not available.
Does anyone know how to fix this?