-note to supriti

git-svn-id: https://gnunet.org/svn/gnunet@33235 140774ce-b5e7-0310-ab8b-a85725594a96
-big cleanup of test_server code, also fixing #3394

git-svn-id: https://gnunet.org/svn/gnunet@33236 140774ce-b5e7-0310-ab8b-a85725594a96