CapnKernul/minitest-reporters — pull request #48 by randycoulman (2013-01-08 22:47:40+00:00)
Title: Make JUnitReporter compatible with Ruby < 1.9.3.

IO.write is a new method as of Ruby 1.9.3, so use File.open and << instead.

There was no direct unit test of this behavior, but the gallery test was failing instead of writing test reports.