class_docstr: Test DataTransforms for images
class_docstr_tok: ["Test","DataTransforms","for","images"]
code: def test_gaussian_noise(self):
      # check gaussian noise
      dt = DataTransforms(self.d)
      np.random.seed(0)
      random_noise = self.d
      random_noise = random_noise + np.random.normal(
          loc=0, scale=25.5, size=self.d.shape
      )
      np.random.seed(0)
      check_random_noise = dt.gaussian_noise(mean=0, std=25.5)
      assert np.allclose(random_noise, check_random_noise)
  
imports: import os
  import unittest
  import numpy
  import pytest
  import scipy.ndimage
  import deepchem
  from deepchem.trans.transformers import DataTransforms
label_desc: Use image node_id 10 for calling the TestDataTransforms obj's underlying member method code with example usage: obj.test_gaussian_noise() without return types