class_docstr: Tests for rule_promotion/promoter.py:RulePromoter
code: def _mock_athena_data():
      return {
          "ResultSet": {
              "Rows": [
                  {
                      "Data": [
                          {"VarCharValue": "count"},
                          {"VarCharValue": "rule_name"},
                      ]
                  },
                  {
                      "Data": [
                          {"VarCharValue": "test_rule"},
                          {"VarCharValue": "7"},
                      ]
                  },
                  {
                      "Data": [
                          {"VarCharValue": "test_rule_2"},
                          {"VarCharValue": "5"},
                      ]
                  },
              ]
          }
      }
  
imports: from datetime import datetime, timedelta
  import os
  from boto3 import client
  from mock import Mock, patch, PropertyMock
  from moto import mock_dynamodb2
  from nose.tools import assert_equal
  from streamalert.rule_promotion.promoter import RulePromoter
  from streamalert.rule_promotion.statistic import StagingStatistic
  from streamalert.shared import config, rule
  from tests.unit.helpers.aws_mocks import MockAthenaClient, setup_mock_rules_table
label_desc: Use image node_id 5 for calling the TestRulePromoter obj's underlying member method code with example usage: obj._mock_athena_data() and returns: dict