Hide div containing the date in a UI test

tests/UI/specs/SitesManager_spec.js

@@ -39,7 +39,7 @@ describe("SitesManager", function () {
         assertScreenshotEquals("loaded", done, function (page) {
             page.load(url);
             page.evaluate(function () {
-                $('.ui-inline-help:contains(UTC time is)').hide();
+                $('.form-help:contains(UTC time is)').hide();
             });
         });
     });