code: def test_init_gpu_with_device(self):
      device = cuda.Device(1)
      array = self._generate_array(cuda.cupy, "float64", device)
      assert array.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 6 for calling the TestGenerateArray obj's underlying member method code with example usage: obj.test_init_gpu_with_device() without return types