Implemented more of the Isolate API

tests/isolate/handle_error3_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library handle_error_test;
 
 import "dart:isolate";
 import "dart:async";
 import "package:async_helper/async_helper.dart";
 import "package:expect/expect.dart";
@@ skipping 74 matching lines @@
       String error = message[0];
       String stack = message[1];
       switch (state2) {
         case 1:
           Expect.equals(new ArgumentError("whoops").toString(), "$error");
           state2++;
           break;
         case 2:
           Expect.equals(new RangeError.value(37).toString(), "$error");
           state2++;
-          reply.close();
+          reply2.close();
           isolate2.removeErrorListener(errorPort2.sendPort);
           errorPort2.close();
           asyncEnd();
           break;
         default:
           throw "Bad state-2 for error: $state: $error";
       }
     };
     isolate2.addErrorListener(errorPort2.sendPort);
 
     sendPort1.send(0);
     sendPort2.send(0);
     sendPort1.send(1);
     sendPort2.send(1);
     sendPort1.send(2);
     sendPort2.send(2);
     sendPort1.send(3);
     sendPort2.send(3);
   });
 }