code: def test_zip_lambda_code():
      code = lambda_helper._zip_lambda_code(
          os.path.join(DATA_DIR, "dummy_script.py")
      )
      assert code is not None
  
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 30 for calling a global function with example usage: test_zip_lambda_code() without return types