code: def test_area_not_supplied(self):
      result = eval_instance_segmentation_coco(
          self.pred_masks,
          self.pred_labels,
          self.pred_scores,
          self.gt_masks,
          self.gt_labels,
      )
      self.assertFalse(
          "map/iou=0.50:0.95/area=small/max_dets=100" in result
      )
      self.assertFalse(
          "map/iou=0.50:0.95/area=medium/max_dets=100" in result
      )
      self.assertFalse(
          "map/iou=0.50:0.95/area=large/max_dets=100" in result
      )
  
imports: import numpy
  import os
  from six.moves.urllib import request
  import unittest
  from chainer import testing
  from chainercv.evaluations import eval_instance_segmentation_coco
label_desc: Use image node_id 3 for calling the TestEvalInstanceSegmentationCOCOSimple obj's underlying member method code with example usage: obj.test_area_not_supplied() without return types