def METHOD_NAME(self):
    self.obj.settings['env'] = {"VAR": 1}
    if is_windows():
        task = "dir .. && cd .."
    else:
        task = "ls .. && cd .."
    self.obj.parameters.merge({"prepare": [task]})
    self.obj.prepare()
    self.obj.startup()
    self.obj.shutdown()