code: def setup_method(self):
      db.merge_conn(
          Connection(
              conn_id="imap_default",
              conn_type="imap",
              host="imap_server_address",
              login="imap_user",
              password="imap_password",
              port=1993,
          )
      )
      db.merge_conn(
          Connection(
              conn_id="imap_nonssl",
              conn_type="imap",
              host="imap_server_address",
              login="imap_user",
              password="imap_password",
              port=1143,
              extra=json.dumps(dict(use_ssl=False)),
          )
      )
  
imports: from __future__ import annotations
  import imaplib
  import json
  from unittest.mock import Mock, mock_open, patch
  import pytest
  from airflow.exceptions import AirflowException
  from airflow.models import Connection
  from airflow.providers.imap.hooks.imap import ImapHook
  from airflow.utils import db
  from tests.test_utils.config import conf_vars
label_desc: Use image node_id 1 for calling the TestImapHook obj's underlying member method code with example usage: obj.setup_method() without return types