Initial implementation of shared test cell warden.

Change-Id: Ia973d514fe1dd11ffe4cdb7c902cc43a9c2eb626
diff --git a/tools/test/bin/ogroup-opts b/tools/test/bin/ogroup-opts
index 428cc15..dd92944 100644
--- a/tools/test/bin/ogroup-opts
+++ b/tools/test/bin/ogroup-opts
@@ -40,7 +40,7 @@
 function _cell-opts () {
   local cur=${COMP_WORDS[COMP_CWORD]}
   if [ $COMP_CWORD -eq 1 ]; then
-    COMPREPLY=( $( compgen -W "$(cd $ONOS_ROOT/tools/test/cells && ls -1)" -- $cur ) )
+    COMPREPLY=( $( compgen -W "$(cd $ONOS_ROOT/tools/test/cells && ls -1) borrow return status" -- $cur ) )
   fi
 }