Update test for HTTP v2.
Update test for HTTP v2.

* subversion/tests/cmdline/copy_tests.py
  (url_to_non_existent_url_path): Tweak to account for Yet Another Way
    To Report The Same Basic Error Condition.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@876422 13f79535-47bb-0310-9956-ffa450edef68

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