code: def test_serialize_scalar_int(self):
      self.check_serialize(1, -2, 2)
  
imports: import contextlib
  import tempfile
  import threading
  import time
  import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import configuration
  from chainer import functions
  from chainer import testing
  from chainer.testing import attr
  from chainer.testing import backend
label_desc: Use image node_id 10 for calling the TestSummary obj's underlying member method code with example usage: obj.test_serialize_scalar_int() without return types