Add test for Issue #4300.
Add test for Issue #4300.

* subversion/tests/cmdline/update_tests.py
  (update_swapped_depth_dirs): New test.
  (test_list): Add update_swapped_depth_dirs.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1437096 13f79535-47bb-0310-9956-ffa450edef68

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