docstr: StreamQuery - AthenaQueryExecution - is_succeeded
docstr_tok: ["StreamQuery","-","AthenaQueryExecution","-","is_succeeded"]
code: def test_is_succeeded(self):
      """StreamQuery - AthenaQueryExecution - is_succeeded"""
      assert_false(self._running_execution.is_succeeded())
      assert_true(self._succeeded_execution.is_succeeded())
  
imports: from datetime import datetime
  from dateutil.tz import tzlocal
  from mock import MagicMock
  from nose.tools import assert_equals, assert_true, assert_false
  from streamalert.scheduled_queries.handlers.athena import AthenaClient, AthenaQueryExecution, AthenaQueryResult
label_desc: Use image node_id 13 for calling the TestAthenaQueryExecution obj's underlying member method code with example usage: obj.test_is_succeeded() without return types