code: def test_init(self):
      waiter_name = "test_waiter"
      client_name = "test_client"
      waiter_model_config = {
          "version": 2,
          "waiters": {
              waiter_name: {
                  "operation": "ListNodegroups",
                  "delay": 30,
                  "maxAttempts": 60,
                  "acceptors": [
                      {
                          "matcher": "path",
                          "argument": "length(nodegroups[]) == `0`",
                          "expected": True,
                          "state": "success",
                      },
                      {
                          "matcher": "path",
                          "expected": True,
                          "argument": "length(nodegroups[]) > `0`",
                          "state": "retry",
                      },
                  ],
              }
          },
      }
      expected_model = WaiterModel(waiter_model_config)
  
      waiter = BaseBotoWaiter(client_name, waiter_model_config)
  
      # WaiterModel objects don't implement an eq() so equivalence checking manually.
      for attr in expected_model.__dict__:
          assert waiter.model.__getattribute__(
              attr
          ) == expected_model.__getattribute__(attr)
      assert waiter.client == client_name
  
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 1 for calling the TestBaseWaiter obj's underlying member method code with example usage: obj.test_init() without return types