code: def test_invoke_lambda_happycase(sagemaker_session):
      lambda_obj = lambda_helper.Lambda(
          function_arn=LAMBDA_ARN, session=sagemaker_session
      )
      lambda_obj.invoke()
  
      sagemaker_session.lambda_client.invoke.assert_called_with(
          FunctionName=LAMBDA_ARN, InvocationType="RequestResponse"
      )
  
imports: from __future__ import print_function, absolute_import
  import os
  import pytest
  from mock import Mock, patch
  from botocore.exceptions import ClientError
  from sagemaker import lambda_helper
label_desc: Use image node_id 25 for calling a global function with example usage: test_invoke_lambda_happycase(sagemaker_session) without return types