code: def test_config_validation(load_config_mock):
      boto_session = Mock(region_name="us-west-2")
  
      with pytest.raises(jsonschema.ValidationError):
          LocalSession(boto_session=boto_session)
  
imports: from __future__ import absolute_import
  import jsonschema
  import pytest
  import urllib3
  import os
  from botocore.exceptions import ClientError
  from mock import Mock, patch
  from tests.unit import DATA_DIR, SAGEMAKER_CONFIG_SESSION
  import sagemaker
  from sagemaker.workflow.parameters import ParameterString
  from sagemaker.workflow.pipeline import Pipeline
  from tests.unit.sagemaker.workflow.helpers import CustomStep
  from sagemaker.local.local_session import LocalSession
  from sagemaker.local.entities import _LocalPipelineExecution
label_desc: Use image node_id 41 for calling a global function with example usage: test_config_validation(load_config_mock) without return types