Add testcase based upon a test on the users@s.a.o list on a merge that is reported to include certain lines multiple times.
Add testcase based upon a test on the users@s.a.o list on a merge that is
reported to include certain lines multiple times.

Somehow this test isn't able to replicate the result reported on the list
(yet).

* subversion/tests/cmdline/patch_tests.py
  (patch_merge): New test.
  (test_list): Add patch_merge.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1731525 13f79535-47bb-0310-9956-ffa450edef68

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