Enhance test #20, the test for missing versioned directories, while persuing a fix for issue #2804.
Enhance test #20, the test for missing versioned directories, while
persuing a fix for issue #2804.

* subversion/tests/cmdline/stat_tests.py
  (status_missing_dir): Rename from status_dash_u_missing_dir().
   Adjust doc string to be consistent with that of
   status_missing_file().  Test vanilla 'svn status' (in addition to
   '-u') with a versioned missing directory.
  (test_list): Update for function rename.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@865659 13f79535-47bb-0310-9956-ffa450edef68

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