[inspector] added reconnect method for tests

test/inspector/debugger/es6-module-set-script-source.js

 // Copyright 2017 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.
 
-print('Checks that Debugger.setScriptSource doesn\'t crash with modules');
+InspectorTest.log('Checks that Debugger.setScriptSource doesn\'t crash with modules');
 
 var module1 = `
 export function foo() {
   return 42;
 }`;
 
 var editedModule1 = `
 export function foo() {
   return 239;
 }`;
 
 var module2 = `
 import { foo } from 'module1';
 console.log(foo());
 `;
 
 var module1Id;
 Protocol.Debugger.onScriptParsed(message => {
   if (message.params.url === 'module1')
     module1Id = message.params.scriptId;
 });
 Protocol.Debugger.enable()
   .then(() => InspectorTest.addModule(module1, 'module1'))
   .then(() => InspectorTest.addModule(module2, 'module2'))
   .then(() => InspectorTest.waitPendingTasks())
   .then(() => Protocol.Debugger.setScriptSource({ scriptId: module1Id, scriptSource: editedModule1 }))
   .then(InspectorTest.logMessage)
   .then(InspectorTest.completeTest);