code: def test_get_label(self):
      image_set = ImageSet.read(self.image_path)
      image_set.get_label()
  
imports: import pytest
  import cv2
  from zoo.common.nncontext import *
  from zoo.feature.image import *
label_desc: Use image node_id 5 for calling the Test_Image_Set obj's underlying member method code with example usage: obj.test_get_label() without return types