pkg/csslib: fixes for args

test/nested_test.dart

Index: test/nested_test.dart
diff --git a/test/nested_test.dart b/test/nested_test.dart
index 2a46da7f95cea4c181660dc0c65c7c19f8a4dfc9..db25679d121155b467b1bb1f42584c287b0d0398 100644
--- a/test/nested_test.dart
+++ b/test/nested_test.dart
@@ -7,11 +7,9 @@ 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);