code: def test_mask_voting_cpu(self):
      self.check_mask_voting(
          self.roi_mask_prob,
          self.bbox,
          self.roi_prob,
          self.size,
          self.bg_label,
          self.roi_size,
      )
  
file_path: chainercv/tests/experimental_tests/links_tests/model_tests/fcis_tests/utils_tests/test_mask_voting.py
imports: import numpy
  import unittest
  import chainer
  from chainer import testing
  from chainercv.experimental.links.model.fcis.utils.mask_voting import mask_voting
  from chainercv.utils import assert_is_bbox
  from chainercv.utils import generate_random_bbox
label_desc: Use image node_id 3 for calling the TestMaskVoting obj's underlying member method code with example usage: obj.test_mask_voting_cpu() without return types