Move unittest from lib to pkg.

samples/tests/samples/dartcombat/dartcombat_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('dartcombat_tests');
 
 #import('dart:html');
 #import('dart:isolate');
-#import('../../../../lib/unittest/unittest.dart');
-#import('../../../../lib/unittest/html_config.dart');
+#import('../../../../pkg/unittest/unittest.dart');
+#import('../../../../pkg/unittest/html_config.dart');
 #import('../../../dartcombat/dartcombatlib.dart');
 
 ReceivePort testPort;
 
 main() {
   useHtmlConfiguration();
   testPort = new ReceivePort();
 
   setupUI();
   // add relative URL to stylesheet to the correct location. Note: The CSS is
@@ skipping 147 matching lines @@
     void invokeNext() {
       closures[i]();
       i++;
       if (i < length) {
         window.setTimeout(expectAsync0(invokeNext), 0);
       }
     }
     window.setTimeout(expectAsync0(invokeNext), 0);
   }
 }