code: def test_numpy_random(self):
      self._test_xp_random(np, gpus=())
      # It should ignore negative device IDs
      self._test_xp_random(np, gpus=(-1,))
  
file_path: chainerrl/tests/misc_tests/test_random_seed.py
imports: import random
  import unittest
  import chainer
  from chainer.testing import attr
  import numpy
  import chainerrl
label_desc: Use image node_id 3 for calling the TestSetRandomSeed obj's underlying member method code with example usage: obj.test_numpy_random() without return types