using unittest via package import

tests/html/table_test.dart

 // Copyright (c) 2012, 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 TableTest;
-import '../../pkg/unittest/lib/unittest.dart';
-import '../../pkg/unittest/lib/html_config.dart';
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
 import 'dart:html';
 
 main() {
   useHtmlConfiguration();
 
   test('createTBody', () {
     var table = new TableElement();
     var head = table.createTHead();
     expect(table.tHead, head);
 
@@ skipping 34 matching lines @@
     var bodyCell2 = bodyRow2.addCell();
     bodyCell2.text = 'Body Cell2';
 
     expect(body2.rows.length, 1);
 
     expect(table.tBodies.length, 2);
     expect(table.tBodies[1], body2);
   });
 }