def METHOD_NAME(self):
    db = Db()
    obj = {'config_db': db.cfgdb, 'namespace': ''}
    runner = CliRunner()
    result = runner.invoke(config.config.commands["interface"].commands["tpid"], ["Ethernet32", "0x9100"], obj=obj)
    print(result.exit_code)
    print(result.output)
    assert result.exit_code == 1
    assert result.output == tpid_set_on_lag_mbr_attempted_not_allowed