Write WEB UI Auto Test with Cypress

Use Page Object Pattern to write UI auto script with wdio framework,Javscript ES5 for the web "https://angular.realworld.io"
let it run on the ios simulator
use let not var
create user.json file to save username "qiaotl@163.com" and password "123456"
like this code let LoginPage = {
	async goToSign() {
	await $('input[type="email"]').setValue(username)
	}
}
module.exports=LoginPage
create newArticalPage.js
create setttingPage.js
create loginPage.js
create shouldPublishArticleSuccessfully.cy.js,use "()=>"
test step is
1.Open the "https://angular.realworld.io" website 
2.click sign in menu
3.input username and password which read from user.json file
4.click sign in button
5.go to New Article page
6.publish Article
7.go to Setting page
8.logout