code: def test_use(self, backend_config):
      device = chainer.get_device(backend_config.chainerx_device)
      with chainerx.using_device("native:1"):
          device.use()
          assert device.device is chainerx.get_default_device()
  
imports: import unittest
  import numpy
  import chainer
  from chainer import backend
  from chainer.backends import cuda
  from chainer import testing
  from chainer.testing import attr
  import chainerx
label_desc: Use image node_id 1 for calling the TestChainerxDeviceUse obj's underlying member method code with example usage: obj.test_use(backend_config) without return types