amqplib send multiple queues to RabbitMQ

amqp.js

const amqp = require('amqplib');
const connect = amqp.connect('amqp://localhost');
let queue1 = 'queue1', queue2 = 'queue2';

connect.then( conn => {
    return conn.createChannel();
})
.then(ch => {
    return Promise.all([ch.assertQueue(queue1), ch.assertQueue(queue2)]).then((ok1,ok2) => {
      return Promise.resolve(ch);
    });
})
.then(ch => {
    var bufferMessage1 = Buffer.from('Message for queue1', 'utf8');
    var bufferMessage2 = Buffer.from('Message for queue2', 'utf8');
    ch.sendToQueue(queue1, bufferMessage1);
    ch.sendToQueue(queue2, bufferMessage2);
});