Add test for issue #2425.
Add test for issue #2425.

* subversion/tests/cmdline/revert_tests.py
  (revert_obstructed_dir_added): New.  Test for broken WC after obstructed
   revert of added directory.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@866791 13f79535-47bb-0310-9956-ffa450edef68

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