code: def _generate_array(self, xp, dtype=None, device=None):
      initializer = initializers.Zero(dtype)
      return initializers.generate_array(
          initializer, (), xp, device=device
      )
  
imports: import os
  import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import initializers
  from chainer import testing
  from chainer.testing import attr
  import chainerx
label_desc: Use image node_id 1 for calling the TestGenerateArray obj's underlying member method code with example usage: obj._generate_array(xp, dtype, device) and returns: initializers