code: def test_detect_text4(self):
      results = self.module.detect_text(
          images=[cv2.imread("tests/test.jpg")],
          use_gpu=False,
          visualization=True,
      )
      self.assertEqual(
          results[0]["data"],
          [
              [[261, 202], [376, 202], [376, 239], [261, 239]],
              [[283, 162], [352, 162], [352, 202], [283, 202]],
          ],
      )
  
file_path: PaddleHub/modules/image/text_recognition/ch_pp-ocrv3_det/test.py
imports: import os
  import shutil
  import unittest
  import cv2
  import requests
  import paddlehub
label_desc: Use image node_id 6 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_detect_text4() without return types