code: def test_AbandonBatchTrial(self) -> None:
      reason = "BatchTrial behaved poorly"
      self.batch.mark_abandoned(reason)
  
      self.assertEqual(self.batch.status, TrialStatus.ABANDONED)
      self.assertIsNotNone(self.batch.time_completed)
      self.assertEqual(self.batch.abandoned_reason, reason)
  
imports: import math
  from time import sleep
  from unittest import mock
  from unittest.mock import patch, PropertyMock
  import numpy
  from ax.core.arm import Arm
  from ax.core.base_trial import TrialStatus
  from ax.core.batch_trial import BatchTrial, GeneratorRunStruct
  from ax.core.experiment import Experiment
  from ax.core.generator_run import GeneratorRun, GeneratorRunType
  from ax.core.parameter import FixedParameter, ParameterType
  from ax.core.search_space import SearchSpace
  from ax.runners.synthetic import SyntheticRunner
  from ax.utils.common.testutils import TestCase
  from ax.utils.common.typeutils import checked_cast
  from ax.utils.testing.core_stubs import get_abandoned_arm, get_arm, get_arm_weights1, get_arms, get_experiment, get_generator_run, get_generator_run2, get_weights
label_desc: Use image node_id 14 for calling the BatchTrialTest obj's underlying member method code with example usage: obj.test_AbandonBatchTrial() without return types