code: def test_register(self) -> None:
      @outcome_transform_argparse.register(DummyOutcomeTransform)
      def _argparse(outcome_transform: DummyOutcomeTransform) -> None:
          pass
  
      self.assertEqual(
          _argparse, outcome_transform_argparse[DummyOutcomeTransform]
      )
  
file_path: Ax/ax/models/torch/tests/test_outcome_transform_argparse.py
imports: import torch
  from ax.models.torch.botorch_modular.input_constructors.outcome_transform import outcome_transform_argparse
  from ax.utils.common.testutils import TestCase
  from botorch.models.transforms.outcome import OutcomeTransform, Standardize
  from botorch.utils.datasets import SupervisedDataset
label_desc: Use image node_id 3 for calling the OutcomeTransformArgparseTest obj's underlying member method code with example usage: obj.test_register() without return types