code: def test_get_db_instance_state(
      self, rds_hook: RdsHook, db_instance_id: str
  ):
      response = rds_hook.conn.describe_db_instances(
          DBInstanceIdentifier=db_instance_id
      )
      state_expected = response["DBInstances"][0]["DBInstanceStatus"]
      state_actual = rds_hook.get_db_instance_state(db_instance_id)
      assert state_actual == state_expected
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, Generator
  from unittest.mock import patch
  import pytest
  from moto import mock_rds
  from airflow.exceptions import AirflowException, AirflowNotFoundException
  from airflow.providers.amazon.aws.hooks.rds import RdsHook
label_desc: Use image node_id 2 for calling the TestRdsHook obj's underlying member method code with example usage: obj.test_get_db_instance_state(rds_hook, db_instance_id) without return types