[inspector] Refactor protocol-test.js

test/inspector/runtime/call-function-on-async.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 Runtime.callFunctionOn works with awaitPromise flag.");
+let {session, contextGroup, Protocol} = InspectorTest.start("Tests that Runtime.callFunctionOn works with awaitPromise flag.");
 
 InspectorTest.runTestSuite([
   function testArguments(next)
   {
     callFunctionOn(
       "({a : 1})",
       "function(arg1, arg2, arg3, arg4) { return \"\" + arg1 + \"|\" + arg2 + \"|\" + arg3 + \"|\" + arg4; }",
       [ "undefined", "NaN", "({a:2})", "this"],
       /* returnByValue */ true,
       /* generatePreview */ false,
@@ skipping 104 matching lines @@
       callArguments.push({ unserializableValue: result.unserializableValue });
     } else if (result.type === "undefined") {
       callArguments.push({});
     } else {
       InspectorTest.log("Unexpected argument object:");
       InspectorTest.logMessage(result);
       InspectorTest.completeTest();
     }
   }
 }