Revision 1678755

Add a couple of failing tests for issue 4579: svnmucc fails to process
certain deletes.

* subversion/tests/cmdline/svnmucc_tests.py:
  (modify_and_delete_file, propset_and_delete_file, delete_and_delete_file):
   New tests, marked as XFail().
  (test_list): Add reference to new tests.