code: def test_type_not_implemented():
      """SalesforceApp - Subclassmethod _type not implemented"""
  
      # pylint: disable=protected-access,abstract-method
      class SalesforceAppNoType(SalesforceApp):
          """Fake SalesforceApp that should raise a NotImplementedError"""
  
      SalesforceAppNoType._type()
  
imports: import os
  from mock import Mock, patch
  from moto import mock_ssm
  from nose.tools import assert_equal, assert_false, assert_true, assert_count_equal, raises
  from requests.exceptions import Timeout
  from streamalert.apps._apps.salesforce import SalesforceApp, SalesforceAppError
  from tests.unit.streamalert.apps.test_helpers import get_event, get_salesforce_log_files, list_salesforce_api_versions, put_mock_params
  from tests.unit.streamalert.shared.test_config import get_mock_lambda_context
label_desc: Use image node_id 1 for calling a global function with example usage: test_type_not_implemented() without return types