code: def aws_endpoint_url() -> Text:
      """URL of the moto testing server."""
      return "http://localhost:5000"
  
file_path: rasa/tests/integration_tests/core/test_agent.py
imports: import json
  import os
  from pathlib import Path
  from typing import Any, Text
  import boto3
  import pytest
  from moto import mock_iam, mock_s3
  from pytest import MonkeyPatch
  from rasa.core.agent import Agent
  from rasa.nlu.persistor import AWSPersistor
  from rasa.shared.exceptions import RasaException
label_desc: Use image node_id 3 for calling a global function with example usage: aws_endpoint_url() and returns: str