code: def test_get_image_array_from_example(self):
      shape = (3, 2, 4)
      arr, example = _mock_example_with_image(shape)
      decoded_image_array = vis.get_image_array_from_example(example)
      self.assertTrue((arr == decoded_image_array).all())
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import glob
  import os
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from third_party.nucleus.protos import variants_pb2
  from third_party.nucleus.testing import test_utils
  from third_party.nucleus.util import vis
  from tensorflow.core.example import example_pb2
  from tensorflow.core.example import feature_pb2
label_desc: Use image node_id 1 for calling the VisTest obj's underlying member method code with example usage: obj.test_get_image_array_from_example() without return types