[inspector] Refactor protocol-test.js

test/inspector/runtime/evaluate-with-context-id-equal-zero.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-InspectorTest.log("Tests that DevTools doesn't crash on Runtime.evaluate with contextId equals 0.");
+let {session, contextGroup, Protocol} = InspectorTest.start("Tests that DevTools doesn't crash on Runtime.evaluate with contextId equals 0.");
 
 Protocol.Runtime.evaluate({ "contextId": 0, "expression": "" })
   .then(message => InspectorTest.logMessage(message))
   .then(() => InspectorTest.completeTest());