code: def test_hpo_settings(self):
      with self.assertRaises(RuntimeError):
          nano_automl.hpo_config.hpo_tf = True
  
file_path: BigDL/python/nano/test/automl/tf/test_global_config.py
imports: import pytest
  from unittest import TestCase
  import bigdl.nano.automl
  import bigdl.nano.tf
label_desc: Use image node_id 7 for calling the TestGlobalConfig obj's underlying member method code with example usage: obj.test_hpo_settings() without return types