class_docstr: Test class for the SlackApp
class_docstr_tok: ["Test","class","for","the","SlackApp"]
docstr: SlackApp - Required Auth Info
docstr_tok: ["SlackApp","-","Required","Auth","Info"]
code: def test_required_auth_info(self):
      """SlackApp - Required Auth Info"""
      assert_count_equal(
          list(self._app.required_auth_info().keys()), {"auth_token"}
      )
  
imports: import os
  from mock import Mock, patch
  from moto import mock_ssm
  from nose.tools import assert_equal, assert_false, assert_count_equal, raises
  from streamalert.apps._apps.slack import SlackApp, SlackAccessApp, SlackIntegrationsApp
  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 2 for calling the TestSlackApp obj's underlying member method code with example usage: obj.test_required_auth_info() without return types