class_docstr: Test consumer hook.
code: def setup_method(self):
      db.merge_conn(
          Connection(
              conn_id="kafka_default",
              conn_type="kafka",
              extra=json.dumps(config),
          )
      )
  
file_path: airflow/tests/integration/providers/apache/kafka/hooks/test_producer.py
imports: from __future__ import annotations
  import json
  import logging
  import pytest
  from airflow.models import Connection
  from airflow.providers.apache.kafka.hooks.produce import KafkaProducerHook
  from airflow.utils import db
label_desc: Use image node_id 1 for calling the TestProducerHook obj's underlying member method code with example usage: obj.setup_method() without return types