code: def test_get_feature(self):
      schema = text_format.Parse(
          """
          feature {
            name: "feature1"
          }
          feature {
            name: "feature2"
          }
          """,
          schema_pb2.Schema(),
      )
  
      feature2 = schema_util.get_feature(schema, "feature2")
      self.assertEqual(feature2.name, "feature2")
      # Check to verify that we are operating on the same feature object.
      self.assertIs(
          feature2, schema_util.get_feature(schema, "feature2")
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  from absl import flags
  from absl.testing import absltest
  from absl.testing import parameterized
  from tensorflow_data_validation import types
  from tensorflow_data_validation.utils import schema_util
  from google.protobuf import text_format
  from tensorflow_metadata.proto.v0 import schema_pb2
label_desc: Use image node_id 1 for calling the SchemaUtilTest obj's underlying member method code with example usage: obj.test_get_feature() without return types