papertrail/papertrail-services — pull request #6 by e2 (2012-02-28 04:33:30+00:00)
Title: use test-unit gem instead of Ruby 1.9.3 version

1.9.3-p125 says "file not found" on `rake test`, probably related to this: https://github.com/jimweirich/rake/issues/51

Solutions: use test-unit gem, as it doesn't have the history of problems of test/unit bundled with Ruby.