class_docstr: Tests for shared/rule_table.py
docstr: Rule Table - Add New Rules
docstr_tok: ["Rule","Table","-","Add","New","Rules"]
code: def test_add_new_rules(self):
      """Rule Table - Add New Rules"""
      self._create_local_rules(2)
      self.rule_table._add_new_rules()
      assert_equal(self.rule_table._table.item_count, 2)
  
imports: from datetime import datetime
  import os
  from io import StringIO
  from botocore.exceptions import ClientError
  from mock import Mock, patch
  from moto import mock_dynamodb2
  from nose.tools import assert_equal, assert_not_equal, assert_raises
  from streamalert.shared import rule, rule_table
  from tests.unit.helpers.aws_mocks import setup_mock_rules_table
label_desc: Use image node_id 12 for calling the TestRuleTable obj's underlying member method code with example usage: obj.test_add_new_rules() without return types