code: def test_generate_artifact_table_schema():
      """CLI - Athena test generate_artifact_table_schema helper"""
      result = helpers.generate_artifacts_table_schema()
  
      expected_result = [
          ("function", "string"),
          ("source_type", "string"),
          ("streamalert_record_id", "string"),
          ("type", "string"),
          ("value", "string"),
      ]
  
      assert_equal(result, expected_result)
  
file_path: streamalert/tests/unit/streamalert_cli/athena/test_helpers.py
imports: from mock import patch
  from nose.tools import assert_equal, assert_true
  from streamalert_cli.athena import helpers
  from streamalert_cli.config import CLIConfig
  from streamalert.shared.firehose import FirehoseClient
label_desc: Use image node_id 8 for calling a global function with example usage: test_generate_artifact_table_schema() without return types