test rename overhaul: step 6 - isolate tests

tests/isolate/count_test.dart

 // Copyright (c) 2011, 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("CountTest");
 #import('dart:isolate');
-#import('../../../lib/unittest/unittest.dart');
+#import('../../lib/unittest/unittest.dart');
 
 class TestIsolate extends Isolate {
 
   TestIsolate() : super();
 
   void main() {
     int count = 0;
     this.port.receive((int message, SendPort replyTo) {
       if (message == -1) {
         Expect.equals(10, count);
@@ skipping 26 matching lines @@
         Expect.equals((count - 1) * 2, message);
         remote.send(count++, reply);
         if (count == 10) {
           remote.send(-1, reply);
         }
       }, count: 11));
       remote.send(count++, reply);
     }));
   });
 }