remote-session-mock.js

const { multiremote } = require('webdriverio');

const nUsers = 5;         // lab for 5 users
let port = 4444;

const remoteObject = {};
for (let i = 0; i < nUsers; i += 1) {
    const name = `User${i + 1}`;
    remoteObject[name] = {
        hostname: <YOUR_EXPERIMENT_MACHINE_IP>,
        port,
        capabilities: {
            browserName: 'chrome',
            'goog:chromeOptions': {
                args: ['disable-notifications']
            }
        }
    };
    port +=1;
}
const remote = await multiremote(
    remoteObject
);