Fix Safari gr-app_test

Change-Id: I73e3beb3fd971a60504ea80acb1149279533faac

polygerrit-ui/app/elements/core/gr-router/gr-router.html

@@ -15,6 +15,7 @@ limitations under the License.
 -->
 <link rel="import" href="../../../bower_components/polymer/polymer.html">
 <link rel="import" href="../../shared/gr-rest-api-interface/gr-rest-api-interface.html">
+<link rel="import" href="../../core/gr-reporting/gr-reporting.html">
 
 <script src="../../../bower_components/page/page.js"></script>
 <script src="gr-router.js"></script>

polygerrit-ui/app/elements/core/gr-router/gr-router.js

@@ -21,6 +21,10 @@
   var reporting = document.createElement('gr-reporting');
 
   window.addEventListener('WebComponentsReady', function() {
+    if (!app) {
+      console.log('No gr-app found (runing in test mode)');
+      return;
+    }
     reporting.timeEnd('WebComponentsReady');
     reporting.pageLoaded();
 

polygerrit-ui/app/elements/gr-app_test.html

@@ -25,7 +25,7 @@ limitations under the License.
 
 <test-fixture id="basic">
   <template>
-    <gr-app></gr-app>
+    <gr-app id="app"></gr-app>
   </template>
 </test-fixture>