The actions.js file, part of an article for Medium.

actions.js

// Dependencies
const assert = require('assert');
const {
	Dashboard,
	DashboardUser,
	User,
	Organisation,
	OrganisationUser,
	ForgotPassword
} = require('api/models');
const { validUsers, validUser } = require('api/test/data/userData.test');
const { interactsWithMail } = require('api/test/helpers/emailStub');
const pages = require('./pages');
const selectors = require('./selectors');
const scope = require('./scope');

// Defines whether puppeteer runs Chrome in headless mode.
let headless = true;
let slowMo = 5;
// Chrome is set to run headlessly and with no slowdown in CircleCI
if (process.env.CIRCLECI) headless = true;
if (process.env.CIRCLECI) slowMo = 0;

const assertUserHasPassword = async (identifier, password) => {
	const authenticated = await User.authenticate({ identifier, password });
	assert(authenticated);
};

const assertUserHasEmail = async (username, email) => {
	const user = await User.findOne({ username });
	assert.equal(user.email, email);
};

const userExists = async username => {
	const userDetails = validUsers.find(v => v.username === username);
	await new User(userDetails).save();
};

const dashboardForUserExists = async (username, name) => {
	const user = await User.findOne({ username });
	await new Dashboard({ name, createdBy: user._id }).save();
};

const closeAccount = async username => {
	const user = await User.findOne({ username });
	await user.deactivate(validUser.password);
};

const pending = callback => {
	callback(null, 'pending');
};

const visitHomepage = async () => {
	if (!scope.browser)
		scope.browser = await scope.driver.launch({ headless, slowMo });
	scope.context.currentPage = await scope.browser.newPage();
	scope.context.currentPage.setViewport({ width: 1280, height: 1024 });
	const url = scope.host + pages.home;
	const visit = await scope.context.currentPage.goto(url, {
		waitUntil: 'networkidle2'
	});
	return visit;
};