def METHOD_NAME(m_AnsibleAWSModule):
    m_module = MagicMock()
    m_AnsibleAWSModule.return_value = m_module
    rds_instance_info.main()
    m_module.client.assert_called_with("rds", retry_decorator=ANY)
    m_module.exit_json.assert_called_with(changed=False, instances=[])