code: def save_results_as_csv(self, job_name):
      TrainingJobAnalytics(job_name).export_csv(
          f"{self.env.test_path}/{job_name}_metrics.csv"
      )
  
file_path: H2O/h2o_flexgen/benchmark/third_party/transformers/tests/sagemaker/test_multi_node_model_parallel.py
imports: import json
  import os
  import subprocess
  import unittest
  from ast import literal_eval
  import pytest
  from parameterized import parameterized, parameterized_class
  from .None import is_sagemaker_available
label_desc: Use image node_id 3 for calling the MultiNodeTest obj's underlying member method code with example usage: obj.save_results_as_csv(job_name) without return types