code: def test_forward_chainerx_native(self):
      device = chainer.get_device("native:0")
      self.link.to_device(device)
      self.check_forward(device.send(self.x), device.send(self.t))
  
file_path: chainer/tests/chainer_tests/links_tests/loss_tests/test_black_out.py
imports: import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import links
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 6 for calling the TestBlackOut obj's underlying member method code with example usage: obj.test_forward_chainerx_native() without return types