Follow-up to r1071739:
Follow-up to r1071739:

Add a new test for externals on locally added directories.

* subversion/tests/cmdline/externals_tests.py
  (update_external_on_locally_added_dir, test_list): New test.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion