Expand existing merge_tests.py 64 to cover issue #2976.
Expand existing merge_tests.py 64 to cover issue #2976.

* subversion/tests/cmdline/merge_tests.py
  (no_mergeinfo_from_no_op_merge): Tack on another merge to the end of
  the test to cover issue #2976.
  (test_list): Set no_mergeinfo_from_no_op_merge as XFail for now.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@867358 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion