text: 
  import openwrt
  import pytest
  from openwrt import PortForwardingRule
  
  """
      Testing assumes there's an OpenWRT instance accessible at 10.0.0.5 and can be accessed via the username
      and password 'root' and 'root', and a network information called 'lan'.
  """
  HOSTNAME = '10.0.0.5'
  AUTH_USERNAME = 'root'
  AUTH_PASSWORD = 'root'
  manager = openwrt.create_manager(HOSTNAME, AUTH_USERNAME, AUTH_PASSWORD)