code: def test_save(sagemaker_session):
      client = sagemaker_session.sagemaker_client
      obj = experiment.Experiment(
          sagemaker_session, experiment_name="foo", description="bar"
      )
      client.update_experiment.return_value = {}
      obj.save()
      client.update_experiment.assert_called_with(
          ExperimentName="foo", Description="bar"
      )
  
imports: from __future__ import absolute_import
  import botocore.exceptions
  import pytest
  import unittest.mock
  import datetime
  from unittest.mock import patch
  from sagemaker import Session
  from sagemaker.experiments import experiment
  from sagemaker.experiments._api_types import TrialSummary
label_desc: Use image node_id 5 for calling a global function with example usage: test_save(sagemaker_session) without return types