jest-dynamodb connection error

dynamo.js

const isTest = process.env.JEST_WORKER_ID;

const options = {
  convertEmptyValues: true,
  ...(isTest && {
    endpoint: 'localhost:8000',
    sslEnabled: false,
    region: 'local-env',
  }),
};
const documentClient = new AWS.DynamoDB.DocumentClient(options);

// ...

jest-dynamodb-config.js

module.exports = {
  tables: [
    {
      TableName: 'AqDataTable-dev',
      BillingMode: 'PAY_PER_REQUEST',
      AttributeDefinitions: [
        {
          AttributeName: 'device_id',
          AttributeType: 'S',
        },
        {
          AttributeName: 'timestamp',
          AttributeType: 'N',
        },
        {
          AttributeName: 'org',
          AttributeType: 'S',
        },
      ],
      KeySchema: [
        {
          AttributeName: 'device_id',
          KeyType: 'HASH',
        },
        {
          AttributeName: 'timestamp',
          KeyType: 'RANGE',
        },
      ],
    },
  ],
  port: 8000,
};