class_docstr: Test class for AppConfig
class_docstr_tok: ["Test","class","for","AppConfig"]
docstr: AppConfig - Get Successive Event
docstr_tok: ["AppConfig","-","Get","Successive","Event"]
code: def test_successive_event(self):
      """AppConfig - Get Successive Event"""
      event = json.loads(self._config.successive_event)
      expected_event = {
          "app_type": "test_app",
          "schedule_expression": "rate(10 minutes)",
          "destination_function_name": "unit_test_prefix_unit_test_cluster_streamalert_classifier",
          "invocation_type": "successive",
      }
      assert_dict_equal(event, expected_event)
  
imports: import json
  import os
  import boto3
  from botocore.exceptions import ClientError
  from mock import patch
  from moto import mock_ssm
  from nose.tools import assert_equal, assert_false, assert_true, assert_dict_equal, raises
  from streamalert.apps.config import AppConfig
  from streamalert.apps.exceptions import AppAuthError, AppConfigError, AppStateError
  from tests.unit.streamalert.apps.test_helpers import get_event, put_mock_params
  from tests.unit.streamalert.shared.test_config import get_mock_lambda_context
label_desc: Use image node_id 7 for calling the TestAppConfig obj's underlying member method code with example usage: obj.test_successive_event() without return types