Fix the "svn cp src-URL non-existent-URL-path" test with ra_local.
Fix the "svn cp src-URL non-existent-URL-path" test with ra_local.

* subversion/tests/cmdline/copy_tests.py
  (url_to_non_existent_url_path): make the (/C/E) part in the expected error 
   message optional.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@862872 13f79535-47bb-0310-9956-ffa450edef68

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