On the fsfs-format7 branch:  No function change.

* subversion/tests/cmdline/svntest/main.py
  (_create_parser): update help string

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/fsfs-format7@1507736 13f79535-47bb-0310-9956-ffa450edef68