Our test suite makes us type the same things over and over.  Let's do some of that.
Our test suite makes us type the same things over and over.  Let's do
some of that.

* subversion/tests/cmdline/diff_tests.py
  (diff_backward_repos_wc_copy): Make sure to pass username and
   password to a commit.

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