Add a failing test for issue 4598: No-op changes no longer dumped by 'svnadmin dump' in 1.9.
Add a failing test for issue 4598: No-op changes no longer dumped by
'svnadmin dump' in 1.9.

* subversion/tests/cmdline/svnadmin_tests.py
  (dump_no_op_change): New test, marked as XFail().
  (test_list): Reference new test.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1706428 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion