class_docstr: Test waiters from ``amazon/aws/waiters/batch.json``.
class_docstr_tok: ["Test","waiters","from","``","amazon\/aws\/waiters\/batch.json","``","."]
code: def test_service_waiters(self):
      hook_waiters = BatchClientHook(aws_conn_id=None).list_waiters()
      assert "batch_job_complete" in hook_waiters
  
imports: from __future__ import annotations
  import json
  from typing import Sequence
  from unittest import mock
  import boto3
  import pytest
  from botocore.exceptions import WaiterError
  from botocore.waiter import WaiterModel
  from moto import mock_eks
  from airflow.providers.amazon.aws.hooks.base_aws import AwsBaseHook
  from airflow.providers.amazon.aws.hooks.batch_client import BatchClientHook
  from airflow.providers.amazon.aws.hooks.dynamodb import DynamoDBHook
  from airflow.providers.amazon.aws.hooks.ecs import EcsClusterStates, EcsHook, EcsTaskDefinitionStates
  from airflow.providers.amazon.aws.hooks.eks import EksHook
  from airflow.providers.amazon.aws.hooks.emr import EmrHook
  from airflow.providers.amazon.aws.waiters.base_waiter import BaseBotoWaiter
label_desc: Use image node_id 3 for calling the TestCustomBatchServiceWaiters obj's underlying member method code with example usage: obj.test_service_waiters() without return types