[inspector] added reconnect method for tests

test/inspector/debugger/async-stacks-limit.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('Checks that async stacks works good with different limits');
+InspectorTest.log('Checks that async stacks works good with different limits');
 
 InspectorTest.addScript(`
 var resolveTest;
 
 function foo1() {
   debugger;
 }
 
 function foo2() {
   debugger;
@@ skipping 139 matching lines @@
       }))
       .then(() => cancelAllAsyncTasks())
       .then(next);
   }
 ]);
 
 function cancelAllAsyncTasks() {
   return Protocol.Debugger.setAsyncCallStackDepth({ maxDepth: 0 })
     .then(() => Protocol.Debugger.setAsyncCallStackDepth({ maxDepth: 128 }));
 }