Unit Tests

- Removed mention of synch.key from all unit tests.  This is an obsolete file.

test/import.todo.sh.t

@@ -120,12 +120,11 @@ like ($output, qr/^Description.+xylophone lesson/ms, '12 <desc>');
 # TODO and now the completed ones.
 
 # Cleanup.
-unlink qw(pending.data completed.data undo.data backlog.data synch.key import.rc import.txt import.json);
+unlink qw(pending.data completed.data undo.data backlog.data import.rc import.txt import.json);
 ok (! -r 'pending.data'   &&
     ! -r 'completed.data' &&
     ! -r 'undo.data'      &&
     ! -r 'backlog.data'   &&
-    ! -r 'synch.key'      &&
     ! -r 'import.rc'      &&
     ! -r 'import.txt'     &&
     ! -r 'import.json', 'Cleanup');