code: def testRandomShift(self):
      image = tf.random_normal([256, 256, 3])
      image_shift = image_utils.random_shift(image, wsr=0.1, hsr=0.1)
      self.assertEqual(image_shift.shape, [256, 256, 3])
  
file_path: tensor2tensor/tensor2tensor/data_generators/image_utils_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  from tensor2tensor.data_generators import image_utils
  from tensor2tensor.utils import decoding
  import tensorflow.compat.v1
label_desc: Use image node_id 9 for calling the ImageTest obj's underlying member method code with example usage: obj.testRandomShift() without return types