Add regression test for issues #3332, #3333.

* subversion/tests/cmdline/switch_tests.py
  (switch_to_spaces): New function.
  (test_list): Add switch_to_spaces.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1436514 13f79535-47bb-0310-9956-ffa450edef68