code: def testDeserializeConnConfig(self):
      conn_config = presto_config_pb2.PrestoConnConfig(
          host="presto.localhost", max_attempts=10
      )
  
      deseralized_conn = executor._deserialize_conn_config(conn_config)
      truth_conn = prestodb.dbapi.connect(
          "presto.localhost", max_attempts=10
      )
      self.assertEqual(truth_conn.host, deseralized_conn.host)
      self.assertEqual(
          truth_conn.port, deseralized_conn.port
      )  # test for default port value
      self.assertEqual(
          truth_conn.auth, deseralized_conn.auth
      )  # test for default auth value
      self.assertEqual(
          truth_conn.max_attempts, deseralized_conn.max_attempts
      )
  
imports: import os
  import random
  from unittest import mock
  import apache_beam
  from apache_beam.testing import util
  import prestodb
  import tensorflow
  from tfx.dsl.io import fileio
  from tfx.examples.custom_components.presto_example_gen.presto_component import executor
  from tfx.examples.custom_components.presto_example_gen.proto import presto_config_pb2
  from tfx.proto import example_gen_pb2
  from tfx.types import artifact_utils
  from tfx.types import standard_artifacts
  from tfx.utils import proto_utils
label_desc: Use image node_id 1 for calling the ExecutorTest obj's underlying member method code with example usage: obj.testDeserializeConnConfig() without return types