code: def autoclean_user_payload(autoclean_username, autoclean_email):
      return {
          "username": autoclean_username,
          "password": "resutsop",
          "email": autoclean_email,
          "first_name": "Tester",
          "last_name": "",
      }
  
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from airflow.auth.managers.base_auth_manager import BaseAuthManager
  from airflow.providers.fab.auth_manager.models import Role, User
  from airflow.security import permissions
  from airflow.utils import timezone
  from airflow.utils.session import create_session
  from airflow.www.security import EXISTING_ROLES
  from tests.test_utils.api_connexion_utils import create_role, create_user, delete_role, delete_user
label_desc: Use image node_id 2 for calling a global function with example usage: autoclean_user_payload(autoclean_username, autoclean_email) and returns: dict