code: def setUp(self):
      self.lazy_init = False  # For convenience.
      self.bs, self.in_size, self.out_size = 5, 10, 20
      self.x = numpy.arange(self.in_size, dtype=numpy.int32)
      self.layer = L.EmbedID(self.in_size, self.out_size)
      self.hook = SpectralNormalization(use_gamma=self.use_gamma)
  
imports: import copy
  import os
  import unittest
  import numpy
  import pytest
  import chainer
  from chainer.backends import _cpu
  from chainer.link_hooks.spectral_normalization import SpectralNormalization
  import chainer.links
  from chainer import serializers
  from chainer import testing
  from chainer.testing import attr
  from chainer.testing.backend import BackendConfig
  from chainer import utils
label_desc: Use image node_id 1 for calling the TestEmbedID obj's underlying member method code with example usage: obj.setUp() without return types