Add copy test for issue #2894
Add copy test for issue #2894

* subversion/tests/cmdline/copy_tests.py
  (svntest.wc): Import
  (URI_encoded_repos_to_wc): New.
  (test_list): Add URI_encoded_repos_to_wc to list, mark it as XFail.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion