code: def testMultipleDistributionMultiWorker(self, ds1, ds2):
      # combinations library should raise an exception.
      pass
  
imports: import importlib
  import os
  import sys
  import unittest
  from absl.testing import parameterized
  from tensorflow.python.distribute import combinations
  from tensorflow.python.distribute import test_util
  from tensorflow.python.distribute.cluster_resolver import tfconfig_cluster_resolver
  from tensorflow.python.eager import context
  from tensorflow.python.framework import combinations
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the ClusterParametersShouldFailTest obj's underlying member method code with example usage: obj.testMultipleDistributionMultiWorker(ds1, ds2) without return types