pkg/csslib: types, fixes, cleanup

pkg/csslib/test/error_test.dart

 // Copyright (c) 2013, 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 error_test;
 
 import 'package:unittest/unittest.dart';
 import 'testing.dart';
-import 'package:csslib/parser.dart';
-import 'package:csslib/visitor.dart';
 import 'package:csslib/src/messages.dart';
 
 /**
  * Test for unsupported font-weights values of bolder, lighter and inherit.
  */
 void testUnsupportedFontWeights() {
   var errors = [];
 
   // TODO(terry): Need to support bolder.
   // font-weight value bolder.
@@ skipping 325 matching lines @@
 }
 
 main() {
   test('font-weight value errors', testUnsupportedFontWeights);
   test('line-height value errors', testUnsupportedLineHeights);
   test('bad selectors', testBadSelectors);
   test('bad Hex values', testBadHexValues);
   test('bad unicode ranges', testBadUnicode);
   test('nested rules', testBadNesting);
 }