code: def testMakeMultiscaleDivisible(self):
      image = tf.random_normal([256, 256, 3])
      resolutions = [8, 16, 64, 256]
      scaled_images = image_utils.make_multiscale(image, resolutions)
      self.assertEqual(scaled_images[0].shape, (8, 8, 3))
      self.assertEqual(scaled_images[1].shape, (16, 16, 3))
      self.assertEqual(scaled_images[2].shape, (64, 64, 3))
      self.assertEqual(scaled_images[3].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 3 for calling the ImageTest obj's underlying member method code with example usage: obj.testMakeMultiscaleDivisible() without return types