code: def _assert_image_and_shape(self, out_file, out_shape):
      assert os.path.exists(out_file)
      drawn_img = cv2.imread(out_file)
      assert drawn_img.shape == out_shape
      os.remove(out_file)
  
imports: import os
  from unittest import TestCase
  import cv2
  import numpy
  import torch
  from mmengine.structures import InstanceData, PixelData
  from mmdet.evaluation import INSTANCE_OFFSET
  from mmdet.structures import DetDataSample
  from mmdet.visualization import DetLocalVisualizer, TrackLocalVisualizer
label_desc: Use image node_id 2 for calling the TestDetLocalVisualizer obj's underlying member method code with example usage: obj._assert_image_and_shape(out_file, out_shape) without return types