code: def test_2d(self):
      self.shape_test(
          input_shape=(2, 32, 32, 1), expected_shape=(2, 32, 32, 5)
      )
      self.shape_test_reg(
          input_shape=(2, 32, 32, 1), expected_shape=(2, 32, 32, 5)
      )
  
file_path: NiftyNet/tests/highres3dnet_test.py
imports: from __future__ import absolute_import, print_function
  import os
  import unittest
  import tensorflow
  from tensorflow.contrib.layers.python.layers import regularizers
  from niftynet.network.highres3dnet import HighRes3DNet
  from niftynet.network.highres3dnet_large import HighRes3DNetLarge
  from niftynet.network.highres3dnet_small import HighRes3DNetSmall
  from tests.niftynet_testcase import NiftyNetTestCase
label_desc: Use image node_id 3 for calling the HighRes3DNetTest obj's underlying member method code with example usage: obj.test_2d() without return types