code: def test_call_cpu(self):
      self.check_call()
  
imports: import numpy
  import unittest
  import chainer
  from chainer.backends import cuda
  from chainer import testing
  from chainer.testing import attr
  from chainercv.experimental.links import FCISResNet101
  from chainercv.experimental.links.model.fcis import FCISTrainChain
  from chainercv.utils import mask_to_bbox
  from tests.experimental_tests.links_tests.model_tests.fcis_tests.test_fcis import _random_array
label_desc: Use image node_id 3 for calling the TestFCISResNet101 obj's underlying member method code with example usage: obj.test_call_cpu() without return types