code: def test_early_stopping_trigger_with_accuracy_gpu(self):
      self.communicator = chainermn.create_communicator("pure_nccl")
      self.xp = cuda.cupy
      cuda.Device(self.communicator.intra_rank).use()
      self.run_test_early_stopping_trigger_with_accuracy()
  
file_path: chainer/tests/chainermn_tests/extensions_tests/test_multi_node_early_stopping_trigger.py
imports: from __future__ import division
  import unittest
  import numpy
  import chainer
  from chainer import testing
  import chainerx
  import chainermn
  import chainermn.testing
  from chainermn.extensions import MultiNodeEarlyStoppingTrigger
  from chainer.training import util
  from chainer.backend import cuda
label_desc: Use image node_id 3 for calling the TestMultiNodeEarlyStoppingTrigger obj's underlying member method code with example usage: obj.test_early_stopping_trigger_with_accuracy_gpu() without return types