Add new test to validate that unlocking a file locked by someone else is not possible without the --force option.
Add new test to validate that unlocking a file locked by someone else is not
possible without the --force option.

* subversion/tests/cmdline/lock_tests.py
  (unlocked_lock_of_other_user): new test
  (test_list): run the new test.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@865614 13f79535-47bb-0310-9956-ffa450edef68

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