code: def _describe_training_result():
      return {
          "TrainingStartTime": datetime.datetime(2018, 5, 16, 1, 2, 3),
          "TrainingEndTime": datetime.datetime(2018, 5, 16, 5, 6, 7),
      }
  
imports: from __future__ import absolute_import
  import datetime
  import os
  import uuid
  import pytest
  from mock import Mock
  from sagemaker.analytics import AnalyticsMetricsBase, HyperparameterTuningJobAnalytics, TrainingJobAnalytics
  from sagemaker.session_settings import SessionSettings
label_desc: Use image node_id 12 for calling a global function with example usage: _describe_training_result() and returns: dict