SW tests update

LayoutTests/http/tests/serviceworker/request-end-to-end.html

Index: LayoutTests/http/tests/serviceworker/request-end-to-end.html
diff --git a/LayoutTests/http/tests/serviceworker/request-end-to-end.html b/LayoutTests/http/tests/serviceworker/request-end-to-end.html
index bff23b8d009b4a1e2462e300ee247131a074df43..0c05233edb208d9371290e4a8ceef98fd3fce67b 100644
--- a/LayoutTests/http/tests/serviceworker/request-end-to-end.html
+++ b/LayoutTests/http/tests/serviceworker/request-end-to-end.html
@@ -9,7 +9,12 @@ t.step(function() {
     var url = 'resources/request-end-to-end-worker.js';
     var scope = 'resources/blank.html';
 
-    service_worker_unregister_and_register(t, url, scope).then(onRegister);
+    service_worker_unregister_and_register(t, url, scope)
+      .then(t.step_func(function(registration) {
+          return wait_for_update(t, registration);
+        }))
+      .then(t.step_func(onUpdateFound))
+      .catch(unreached_rejection(t));
 
     function sendMessagePort(worker) {
         var messageChannel = new MessageChannel();
@@ -17,7 +22,7 @@ t.step(function() {
         return messageChannel.port1;
     }
 
-    function onRegister(sw) {
+    function onUpdateFound(sw) {
         var port = sendMessagePort(sw);
         port.addEventListener('message', t.step_func(function(event) {
             onMessage(event);