code: def test_small_size(self):
      x = np.arange(15).reshape((5, 3))
      ga = GaussianAugmentation(ratio=0.4, clip_values=(0, 15))
      x_new, _ = ga(x)
      self.assertEqual(x_new.shape, (7, 3))
  
file_path: adversarial-robustness-toolbox/tests/defences/test_gaussian_augmentation.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  import unittest
  import numpy
  from art.defences.preprocessor import GaussianAugmentation
  from tests.utils import master_seed
label_desc: Use image node_id 2 for calling the TestGaussianAugmentation obj's underlying member method code with example usage: obj.test_small_size() without return types