code: def _setup_attrs_base(
      self, experiemental_api_app, configured_session
  ):
      self.app = experiemental_api_app
      self.appbuilder = self.app.appbuilder
      self.client = self.app.test_client()
      self.session = configured_session
  
imports: from __future__ import annotations
  import json
  import os
  import re
  from datetime import timedelta
  from unittest import mock
  from urllib.parse import quote_plus
  import pytest
  from airflow import settings
  from airflow.api.common.experimental.trigger_dag import trigger_dag
  from airflow.models import DagBag, DagRun, Pool, TaskInstance
  from airflow.models.serialized_dag import SerializedDagModel
  from airflow.settings import Session
  from airflow.utils.timezone import datetime, parse, utcnow
  from airflow.version import version
  from tests.test_utils.db import clear_db_pools
label_desc: Use image node_id 1 for calling the TestBase obj's underlying member method code with example usage: obj._setup_attrs_base(experiemental_api_app, configured_session) without return types