code: def test_serialization(self):
      lin1 = links.SimplifiedDropconnect(None, self.out_size)
      x = chainer.Variable(self.x)
      # Must call the link to initialize weights.
      lin1(x)
      w1 = lin1.W.data
      fd, temp_file_path = tempfile.mkstemp()
      os.close(fd)
      npz.save_npz(temp_file_path, lin1)
      lin2 = links.SimplifiedDropconnect(None, self.out_size)
      npz.load_npz(temp_file_path, lin2)
      w2 = lin2.W.data
      self.assertEqual((w1 == w2).all(), True)
  
imports: import os
  import tempfile
  import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import gradient_check
  from chainer import links
  from chainer.serializers import npz
  from chainer import testing
  from chainer.testing import attr
  from chainer.utils import type_check
label_desc: Use image node_id 9 for calling the TestSimplifiedDropconnectParameterShapePlaceholder obj's underlying member method code with example usage: obj.test_serialization() without return types