MD Settings: Fix scrolling bugs and hacks caused by undefined load behavior

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

Index: chrome/test/data/webui/settings/about_page_tests.js
diff --git a/chrome/test/data/webui/settings/about_page_tests.js b/chrome/test/data/webui/settings/about_page_tests.js
index 46502194bc52018e237a10f9b23a2fc58d622426..dd63b71dbe7ee263f20b463184ca81e82626668c 100644
--- a/chrome/test/data/webui/settings/about_page_tests.js
+++ b/chrome/test/data/webui/settings/about_page_tests.js
@@ -181,6 +181,7 @@ cr.define('settings_about_page', function() {
         lifetimeBrowserProxy.reset();
         PolymerTest.clearBody();
         page = document.createElement('settings-about-page');
+        settings.navigateTo(settings.Route.ABOUT);
         document.body.appendChild(page);
         return aboutBrowserProxy.whenCalled('refreshUpdateStatus');
       }