code: def setUpClass(cls) -> None:
      cls.client = create_client(
          cls.app_dir,
          cls.studies,
          cls.data_dir,
          {"models": "segmentation_nuclei"},
      )
      response = cls.client.get("/info/")
      # check if following fields exist in the response
      res = response.json()
      print(res)
  
imports: import json
  import logging
  import os
  import random
  import time
  import unittest
  from fastapi.testclient import TestClient
  from monailabel.config import settings
label_desc: Use image node_id 1 for calling the BasicEndpointV4TestSuite obj's underlying member method code with example usage: obj.setUpClass(cls) without return types