code: def setUp(self):
      self.in_channels, self.out_channels = 3, 10
      in_channels = None if self.lazy_init else self.in_channels
      conv_init_args = {"ksize": 3, "stride": 1, "pad": 1}
      self.layer = self.link(
          in_channels, self.out_channels, **conv_init_args
      )
      self.x = numpy.random.normal(
          size=(5, self.in_channels, 4, 4, 4)
      ).astype(numpy.float32)
      self.hook = WeightStandardization()
      self.out_size = self.out_channels
  
imports: import unittest
  import numpy
  import pytest
  import chainer
  from chainer.backends import cuda
  from chainer.link_hooks.weight_standardization import WeightStandardization
  import chainer.links
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 1 for calling the TestConvolution3D obj's underlying member method code with example usage: obj.setUp() without return types