docstr: StreamQuery - AthenaQueryExecution - data_scanned_in_bytes
docstr_tok: ["StreamQuery","-","AthenaQueryExecution","-","data_scanned_in_bytes"]
code: def test_data_scanned_in_bytes(self):
      """StreamQuery - AthenaQueryExecution - data_scanned_in_bytes"""
      assert_equals(
          self._succeeded_execution.data_scanned_in_bytes, 26358801
      )
  
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 8 for calling the TestAthenaQueryExecution obj's underlying member method code with example usage: obj.test_data_scanned_in_bytes() without return types