fixup! riotctrl_ctrl: provide tests for factory

Author: miri64

dist/pythonlibs/riotctrl_ctrl/tests/test_factory.py

@@ -1,10 +1,8 @@
-#! /usr/bin/env python
-# -*- coding: utf-8 -*-
-# vim:fenc=utf-8
+# Copyright (C) 2021 Freie Universität Berlin
 #
-# Copyright © 2021 Martine Lenders <[email protected]>
-#
-# Distributed under terms of the MIT license.
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
 
 import riotctrl.ctrl