code: def test_analytic_eubo(self):
      self.pairwise_preference_acqf_test(
          acqf_class=AnalyticExpectedUtilityOfBestOption,
          test_previous_winner=True,
      )
  
file_path: botorch/test/acquisition/test_preference.py
imports: import torch
  from botorch.acquisition.acquisition import AcquisitionFunction
  from botorch.acquisition.preference import AnalyticExpectedUtilityOfBestOption, PairwiseBayesianActiveLearningByDisagreement
  from botorch.exceptions.errors import UnsupportedError
  from botorch.models import SingleTaskGP
  from botorch.models.deterministic import FixedSingleSampleModel
  from botorch.models.pairwise_gp import PairwiseGP
  from botorch.utils.testing import BotorchTestCase
label_desc: Use image node_id 3 for calling the TestPreferenceAcquisitionFunctions obj's underlying member method code with example usage: obj.test_analytic_eubo() without return types