[inspector] Refactor protocol-test.js

test/inspector/runtime/protocol-works-with-different-locale.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.
 
+let {session, contextGroup, Protocol} = InspectorTest.start('Tests that protocol works with different locales');
+
 Protocol.Runtime.enable();
 
 Protocol.Runtime.onConsoleAPICalled(InspectorTest.logMessage);
 
 InspectorTest.runTestSuite([
   function consoleLogWithDefaultLocale(next) {
     Protocol.Runtime.evaluate({ expression: "console.log(239) "}).then(next);
   },
 
   function consoleTimeWithCommaAsSeparator(next) {
@@ skipping 16 matching lines @@
     InspectorTest.log("set locale to fr_CA.UTF-8 (has comma as separator)");
     utils.setlocale("fr_CA.UTF-8");
     Protocol.Runtime.evaluate({ expression: "console.log(239) "})
       .then(() => utils.setCurrentTimeMSForTest(0.0))
       .then(() => Protocol.Runtime.evaluate({ expression: "console.time(\"a\");"}))
       .then(() => utils.setCurrentTimeMSForTest(0.001))
       .then(() => Protocol.Runtime.evaluate({ expression: "console.timeEnd(\"a\");"}))
       .then(next);
   }
 ]);