code: def test_detect_earliest_upcast_xgb(self, platform):
      platform.python_version_tuple.return_value = (3, 8)
      xgb_model = Mock()
      xgb_model.__class__.__bases__ = (xgboost,)
      self.assert_dlc_is_expected(
          "246618743249.dkr.ecr.us-west-2.amazonaws.com/sagemaker-xgboost:1.7-1",
          xgb_model,
      )
  
imports: from __future__ import absolute_import
  import sys
  import logging
  import unittest
  from typing import Tuple
  from mock import patch, MagicMock, Mock
  from sagemaker.serve.detector.image_detector import auto_detect_container
label_desc: Use image node_id 2 for calling the TestImageDetector obj's underlying member method code with example usage: obj.test_detect_earliest_upcast_xgb(platform) without return types