[inspector] added reconnect method for tests

test/inspector/cpu-profiler/stop-without-preceeding-start.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("Test that profiler doesn't crash when we call stop without preceeding start.");
+InspectorTest.log("Test that profiler doesn't crash when we call stop without preceeding start.");
 
 Protocol.Profiler.stop().then(didStopProfile);
 function didStopProfile(messageObject)
 {
   InspectorTest.expectedError("ProfileAgent.stop", messageObject);
   InspectorTest.completeTest();
 }