code: def test_draw_pred():
      img = np.zeros((200, 200, 3))
      pred = {
          "bboxes": [BBox.from_xywh(100, 100, 50, 50)],
          "labels": [1],
      }
      pred_img = draw_pred(img=img, pred=pred)
  
      assert (pred_img[101, 101] != [0, 0, 0]).all()
  
imports: import pytest
  from icevision.parsers.coco_parser import COCOKeypointsMetadata
  from icevision.all import *
label_desc: Use image node_id 3 for calling a global function with example usage: test_draw_pred() without return types