def METHOD_NAME(m_get_instance_tags, m_describe_db_instances):
    conn = MagicMock()
    instance_name = "my-instance"
    m_get_instance_tags.return_value = []
    m_describe_db_instances.return_value = [
        {
            "DBInstanceIdentifier": instance_name,
            "DBInstanceArn": "arn:aws:rds:us-east-2:123456789012:og:" + instance_name,
        }
    ]
    rds_instance_info.instance_info(conn, instance_name, filters={})
    m_describe_db_instances.assert_called_with(conn, DBInstanceIdentifier=instance_name)
    m_get_instance_tags.assert_called_with(conn, arn="arn:aws:rds:us-east-2:123456789012:og:" + instance_name)