[inspector] added reconnect method for tests

test/inspector/debugger/object-preview-internal-properties.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.
 
-print("Check internal properties reported in object preview.");
+InspectorTest.log("Check internal properties reported in object preview.");
 
 Protocol.Debugger.enable();
 Protocol.Runtime.enable();
 Protocol.Runtime.onConsoleAPICalled(dumpInternalPropertiesAndEntries);
 
 InspectorTest.runTestSuite([
   function boxedObjects(next)
   {
     checkExpression("new Number(239)")
       .then(() => checkExpression("new Boolean(false)"))
@@ skipping 82 matching lines @@
   for (var property of properties) {
     if (property.name.startsWith("[["))
       InspectorTest.logMessage(property);
   }
   if (entries) {
     InspectorTest.log("[[Entries]]:");
     InspectorTest.logMessage(entries);
   }
   InspectorTest.log("");
 }