code: def setup_mock_alerts_table(table_name):
      """Create a mock DynamoDB alerts table used by rules engine, alert processor, alert merger"""
      put_mock_dynamod_data(
          table_name,
          {
              "AttributeDefinitions": [
                  {"AttributeName": "RuleName", "AttributeType": "S"},
                  {"AttributeName": "AlertID", "AttributeType": "S"},
              ],
              "KeySchema": [
                  {"AttributeName": "RuleName", "KeyType": "HASH"},
                  {"AttributeName": "AlertID", "KeyType": "RANGE"},
              ],
          },
          [],
      )
  
imports: from datetime import datetime
  import uuid
  from io import BytesIO
  import zipfile
  import boto3
  from botocore.exceptions import ClientError
  from streamalert.shared.helpers.aws_api_client import AwsS3
label_desc: Use image node_id 3 for calling a global function with example usage: setup_mock_alerts_table(table_name) without return types