[inspector] Refactor protocol-test.js

test/inspector/runtime/runtime-restore.js

Index: test/inspector/runtime/runtime-restore.js
diff --git a/test/inspector/runtime/runtime-restore.js b/test/inspector/runtime/runtime-restore.js
index 4020c19f81cb8c4d3f131e8e9722732841fab022..09e44677e5c13a58255f421d3aa0d90887e2d321 100644
--- a/test/inspector/runtime/runtime-restore.js
+++ b/test/inspector/runtime/runtime-restore.js
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.v8
 
-InspectorTest.log('Checks that Runtime agent correctly restore its state.');
+let {session, contextGroup, Protocol} = InspectorTest.start('Checks that Runtime agent correctly restore its state.');
 
-InspectorTest.addScript(`
+contextGroup.addScript(`
 var formatter = {
     header: function(x)
     {
@@ -73,5 +73,5 @@ InspectorTest.runTestSuite([
 
 function reconnect() {
   InspectorTest.logMessage('will reconnect..');
-  InspectorTest.session.reconnect();
+  session.reconnect();
 }