code: def test_random_state():
      testcases = [np.random.seed(0), None, np.random.RandomState(0), 0]
      for testcase in testcases:
          assert isinstance(
              utils.get_random_state(testcase), np.random.RandomState
          )
  
imports: import logging
  import numbers
  import os
  import unittest
  import copy
  import numpy
  from numpy.testing import assert_allclose
  from gensim.corpora import mmcorpus, Dictionary
  from gensim.models import ldamodel, ldamulticore
  from gensim import matutils, utils
  from gensim.test import basetmtests
  from gensim.test.utils import datapath, get_tmpfile, common_texts
label_desc: Use image node_id 1 for calling a global function with example usage: test_random_state() without return types