def test_bridge_g01(self):
		""" bridge_g01 """
		if "json" == ml_system.CFG_TYPE:
			shutil.copyfile(os.path.join("unittest", "bridge-g01.json"), os.path.join("running", "bridge.txt"))
		if "jcfg" == ml_system.CFG_TYPE:
			shutil.copyfile(os.path.join("unittest", "bridge-g01.jcfg"), os.path.join("running", "bridge.txt"))
		if "pickle" == ml_system.CFG_TYPE:
			return
		self.maxDiff = None
		e = ml_w_bridge.get(None, threading.RLock())
		self.assertEqual(e, (True, {
			"br": [
				{
					"name": "s0b1",
					"interface": [
						"s0e2"
					],
					"STP": True,
					"hello_time": 5,
					"max_message_age": 5,
					"forward_delay": 5
				}
			]
		}))