[inspector] added reconnect method for tests

test/inspector/debugger/async-promise-late-then.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.
 // Flags: --expose-gc
 
-print('Checks async stack for late .then handlers with gc');
+InspectorTest.log('Checks async stack for late .then handlers with gc');
 
 InspectorTest.addScript(`
 function foo1() {
   gc();
   debugger;
 }
 
 function test() {
   var resolve1;
   var p1 = new Promise(resolve => resolve1 = resolve);
@@ skipping 22 matching lines @@
   InspectorTest.log('');
   Protocol.Debugger.resume();
 });
 
 Protocol.Debugger.enable();
 Protocol.Debugger.setAsyncCallStackDepth({ maxDepth: 128 });
 Protocol.Runtime.evaluate({ expression: 'test()//# sourceURL=expr.js',
     awaitPromise: true })
   .then(() => Protocol.Runtime.evaluate({ expression: 'gc()'}))
   .then(InspectorTest.completeTest);