[MD Settings][People] Fixes the 'arrow icon' appearing momentarily on page refresh.

chrome/test/data/webui/settings/people_page_test.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('settings_people_page', function() {
   /**
    * @constructor
    * @implements {settings.ProfileInfoBrowserProxy}
    * @extends {settings.TestBrowserProxy}
    */
@@ skipping 51 matching lines @@
     /** @override */
     signOut: function(deleteProfile) {
       this.methodCalled('signOut', deleteProfile);
     },
   };
 
   function registerProfileInfoTests() {
     suite('ProfileInfoTests', function() {
       var peoplePage = null;
       var browserProxy = null;
+      var syncBrowserProxy = null;
 
       suiteSetup(function() {
         // Force easy unlock off. Those have their own ChromeOS-only tests.
         loadTimeData.overrideValues({
           easyUnlockAllowed: false,
         });
       });
 
       setup(function() {
         browserProxy = new TestProfileInfoBrowserProxy();
         settings.ProfileInfoBrowserProxyImpl.instance_ = browserProxy;
 
+        syncBrowserProxy = new TestSyncBrowserProxy();
+        settings.SyncBrowserProxyImpl.instance_ = syncBrowserProxy;
+
         PolymerTest.clearBody();
         peoplePage = document.createElement('settings-people-page');
         document.body.appendChild(peoplePage);
       });
 
       teardown(function() { peoplePage.remove(); });
 
       test('GetProfileInfo', function() {
-        return browserProxy.whenCalled('getProfileInfo').then(function() {
+        return Promise.all([browserProxy.whenCalled('getProfileInfo'),
+                            syncBrowserProxy.whenCalled('getSyncStatus')])
+            .then(function() {
           Polymer.dom.flush();
           assertEquals(browserProxy.fakeProfileInfo.name,
                        peoplePage.$$('#profile-name').textContent.trim());
           var bg = peoplePage.$$('#profile-icon').style.backgroundImage;
           assertTrue(bg.includes(browserProxy.fakeProfileInfo.iconUrl));
 
           cr.webUIListenerCallback(
             'profile-info-changed',
             {name: 'pushedName', iconUrl: 'http://pushed-url/'});
 
@@ skipping 151 matching lines @@
   }
 
   return {
     registerTests: function() {
       registerProfileInfoTests();
       if (!cr.isChromeOS)
         registerSyncStatusTests();
     },
   };
 });