docstr: Test connection which missing password field in connection.
docstr_tok: ["Test","connection","which","missing","password","field","in","connection","."]
code: def test_no_password_in_connection_field(self, conn_id):
      """Test connection which missing password field in connection."""
      hook = SlackWebhookHook(slack_webhook_conn_id=conn_id)
      error_message = r"Connection ID .* does not contain password \(Slack Webhook Token\)"
      with pytest.raises(AirflowNotFoundException, match=error_message):
          hook._get_conn_params()
  
imports: from __future__ import annotations
  import json
  import os
  from typing import Any
  from unittest import mock
  from unittest.mock import patch
  import pytest
  from slack_sdk.http_retry.builtin_handlers import ConnectionErrorRetryHandler, RateLimitErrorRetryHandler
  from slack_sdk.webhook.webhook_response import WebhookResponse
  from airflow.exceptions import AirflowException, AirflowNotFoundException
  from airflow.models.connection import Connection
  from airflow.providers.slack.hooks.slack_webhook import SlackWebhookHook, check_webhook_response
label_desc: Use image node_id 5 for calling the TestSlackWebhookHook obj's underlying member method code with example usage: obj.test_no_password_in_connection_field(conn_id) without return types