Add a regression test for a bug that will be fixed in r31314.
Add a regression test for a bug that will be fixed in r31314.

Found by: Alexander Kitaev <alex@tmate.org>

* subversion/tests/cmdline/copy_tests.py
  (unneeded_parents): New test.
  (test_list): Run it.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@871385 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion