refactor(test): create page-object for app-e2e-test

Author: azu

test/app-e2e-test.js

@@ -2,6 +2,7 @@
 "use strict";
 var injectBrowser = require('testium/mocha');
 var assert = require("power-assert");
+var AppPage = require("./page-objects/app-page");
 var browser;
 function addTodo(text) {
     browser.setValue('.todoText', text);

test/page-objects/app-page.js

@@ -0,0 +1,6 @@
+// LICENSE : MIT
+"use strict";
+function AppPage(browser) {
+    this.browser = browser;
+}
+module.exports = AppPage;