code: def test_serialize_example(self, examples, ascii_protos):
      with tf.compat.v1.Graph().as_default():
          serialized_examples_tensor = tf_utils.serialize_example(
              examples
          )
          with tf.compat.v1.Session():
              serialized_examples = serialized_examples_tensor.eval()
              example_proto = tf.train.Example()
      self.assertEqual(len(serialized_examples), len(ascii_protos))
      for ascii_proto, serialized_example in zip(
          ascii_protos, serialized_examples
      ):
          example_proto.ParseFromString(serialized_example)
          self.assertProtoEquals(ascii_proto, example_proto)
  
imports: import os
  import numpy
  from packaging import version
  import tensorflow
  from tensorflow_transform import analyzers
  from tensorflow_transform import annotators
  from tensorflow_transform import tf_utils
  from tensorflow_transform import test_case
  from tensorflow.python.framework import composite_tensor
label_desc: Use image node_id 30 for calling the TFUtilsTest obj's underlying member method code with example usage: obj.test_serialize_example(examples, ascii_protos) without return types