rspec/rspec-core — pull request #563 by uzzz (2012-01-28 11:18:16+00:00)
Title: Display both minutes and seconds of duration time when specs are finished.

As far as lots of rails heavy-weight apps (mine too) runs specs much longer than tens seconds (about 23 minutes on my app for instance) because of hardcore DB seeding I think it will be useful to see "xx minutes xx seconds" in output if duration is more than 1 minute.