code: def test_calibrated_model(self):
      # Check that a layer was added.
      assert len(list(self.wrapper.model.modules())) < len(
          list(self.calibrator.calibrated_model.modules())
      )
  
imports: import unittest
  from unittest.mock import Mock
  import numpy
  import pytest
  import torch
  from torch import nn
  from torch.utils.data import Dataset
  from baal.calibration import DirichletCalibrator
  from baal.modelwrapper import ModelWrapper
label_desc: Use image node_id 2 for calling the CalibrationTest obj's underlying member method code with example usage: obj.test_calibrated_model() without return types