code: def setup_method(self):
      clear_db_connections(add_default_connections_back=False)
      merge_conn(
          Connection(
              conn_id="airflow_db",
              conn_type="mysql",
              description="mysql conn description",
              host="mysql",
              login="root",
              password="plainpassword",
              schema="airflow",
          ),
      )
      merge_conn(
          Connection(
              conn_id="druid_broker_default",
              conn_type="druid",
              description="druid-broker conn description",
              host="druid-broker",
              port=8082,
              extra='{"endpoint": "druid/v2/sql"}',
          ),
      )
  
imports: from __future__ import annotations
  import json
  import os
  import re
  import shlex
  import warnings
  from contextlib import redirect_stdout
  from io import StringIO
  from unittest import mock
  import pytest
  from airflow.cli import cli_config, cli_parser
  from airflow.cli.commands import connection_command
  from airflow.exceptions import AirflowException
  from airflow.models import Connection
  from airflow.utils.db import merge_conn
  from airflow.utils.session import create_session, provide_session
  from tests.test_utils.db import clear_db_connections
label_desc: Use image node_id 1 for calling the TestCliExportConnections obj's underlying member method code with example usage: obj.setup_method() without return types