[parrot/parrot] 521bad: t/stress/threads.t fixup: add comments

[GitHub]

  Branch: refs/heads/rurban/fix-gc-thr-gh880+gh875
  Home:   https://github.com/parrot/parrot
  Commit: 521bad648960e1f1f75a641787719150154e0c92
      https://github.com/parrot/parrot/commit/521bad648960e1f1f75a641787719150154e0c92
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2013-01-04 (Fri, 04 Jan 2013)

  Changed paths:
    M t/stress/threads.t

  Log Message:
  -----------
  t/stress/threads.t fixup: add comments