* subversion/tests/cmdline/export_tests.py
  (subversion/tests/cmdline/export_tests.py): Use two keywords to
   make it less likely we exceed SVN_KEYWORD_MAX_LEN.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1467115 13f79535-47bb-0310-9956-ffa450edef68