Make sure Jenkins runs though the whole job

Change-Id: Id46bbbfe72b21c9204f0b769da8fcd4c20a75758
diff --git a/TestON/bin/cleanup.sh b/TestON/bin/cleanup.sh
index f931eca..3f82161 100755
--- a/TestON/bin/cleanup.sh
+++ b/TestON/bin/cleanup.sh
@@ -29,5 +29,6 @@
         echo "Restoring iptables rules on ${i}"
         ssh sdn@$i "sudo iptables -F"
         ssh sdn@$i "sudo iptables-restore < /etc/iptables/rules.v4"
+        exit 0
     done
 fi