pkg/csslib: fixes for args

test/nested_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 nested_test;
 
 import 'package:unittest/unittest.dart';
 import 'testing.dart';
 
-List optionsCss = ['--no-colors', 'memory'];
-
 compileAndValidate(String input, String generated) {
   var errors = [];
-  var stylesheet = compileCss(input, errors: errors, opts: optionsCss);
+  var stylesheet = compileCss(input, errors: errors, opts: simpleOptions);
   expect(stylesheet != null, true);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect(prettyPrint(stylesheet), generated);
 }
 
 selectorVariations() {
   final input1 = r'''html { color: red; }''';
   final generated1 = r'''html {
   color: #f00;
 }''';
@@ skipping 606 matching lines @@
 main() {
   test('Selector and Nested Variations', selectorVariations);
   test('Simple nesting', simpleNest);
   test('Complex nesting', complexNest);
   test('@media nesting', mediaNesting);
   test('Simple &', simpleThis);
   test("Variations &", variationsThis);
   test('Complex &', complexThis);
   test('& with + selector', thisCombinator);
 }