mozilla/rr — pull request #1147 by rocallahan (2014-05-04 21:51:11+00:00)
Title: Instead of setting 'passed' to 'y' on test success, use a 'leave_data' f...

...lag that is set to 'y' on test failure.

This ensures tests which make multiple calls to "debug" or "check" leave data
behind if any of those calls fail.