[inspector] added reconnect method for tests

test/inspector/cpu-profiler/enable-disable.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 profiling can only be started when Profiler was enabled and that Profiler.disable command will stop recording all profiles.");
+InspectorTest.log("Test that profiling can only be started when Profiler was enabled and that Profiler.disable command will stop recording all profiles.");
 
 Protocol.Profiler.start().then(didFailToStartWhenDisabled);
 disallowConsoleProfiles();
 
 function disallowConsoleProfiles()
 {
   Protocol.Profiler.onConsoleProfileStarted(function(messageObject)
   {
     InspectorTest.log("FAIL: console profile started " + JSON.stringify(messageObject, null, 4));
   });
@@ skipping 50 matching lines @@
   disallowConsoleProfiles();
   Protocol.Runtime.evaluate({expression: "console.profileEnd();"}).then(didStopConsoleProfile);
 }
 
 function didStopConsoleProfile(messageObject)
 {
   if (!InspectorTest.expectedSuccess("didStopConsoleProfile", messageObject))
     return;
   InspectorTest.completeTest();
 }