code: def test_random_output(
      self, desired_range, sample_custom_query_2, total_CFs, version
  ):
      cf_examples = self.exp._generate_counterfactuals(
          query_instance=sample_custom_query_2,
          total_CFs=total_CFs,
          desired_range=desired_range,
      )
      assert all(
          desired_range[0] <= i <= desired_range[1]
          for i in self.exp.cfs_preds
      )
      assert cf_examples is not None
      json_str = cf_examples.to_json(version)
      assert json_str is not None
      recovered_cf_examples = CounterfactualExamples.from_json(json_str)
      assert recovered_cf_examples is not None
      assert cf_examples == recovered_cf_examples
  
imports: import pytest
  from raiutils.exceptions import UserConfigValidationException
  from dice_ml.counterfactual_explanations import CounterfactualExplanations
  from dice_ml.diverse_counterfactuals import CounterfactualExamples
label_desc: Use image node_id 3 for calling the TestDiceRandomRegressionMethods obj's underlying member method code with example usage: obj.test_random_output(desired_range, sample_custom_query_2, total_CFs, version) without return types