Starting to cleanup the modals spec: moved login logic to a page object.

bigbluebutton-html5/tests/webdriverio/pageobjects/home.page.js

+'use strict';
+
+let Page = require('./page');
+let pageObject = new Page();
+let chai = require('chai');
+
+class HomePage extends Page {
+  login(username, meeting) {
+    super.open('demo/demoHTML5.jsp?username=' + username + '&meetingname=' + meeting.replace(/\s+/g, '+') + '&action=create');
+  }
+}
+
+module.exports = new HomePage();
+

bigbluebutton-html5/tests/webdriverio/specs/visual-regression/modals.spec.js

+'use strict';
+
+let HomePage = require('../../pageobjects/home.page');
 var expect = require('chai').expect;
 
 function expectImageMatch(results, errorMessage) {
@@ -7,7 +10,7 @@ function expectImageMatch(results, errorMessage) {
 describe('Screenshots:', function() {
 
   it('Join Audio modal looks good', function() {
-    browser.url('demo/demoHTML5.jsp?username=testuser&meetingname=Demo+Meeting&action=create');
+    HomePage.login('testuser', 'Demo Meeting');
     browser.element('.ReactModal__Content--after-open').waitForExist(7000);
     expectImageMatch(browser.checkElement('.ReactModal__Content--after-open'), 'Join Audio modal isn\'t the same');
   });