Fix tests broken by ac6bf5926f60e81454ec5d2350a12b50d8b7481e

tests/compiler/dart2js/platform_consistency_test.dart

 // Copyright (c) 2015, the Fletch 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.md file.
 
 import "package:compiler/src/platform_configuration.dart";
 import "package:compiler/src/source_file_provider.dart";
 import "package:compiler/compiler_new.dart";
 import "package:expect/expect.dart";
 
-Uri unsupported = Uri.parse("unsupported:");
-
 main() async {
   CompilerInput input = new CompilerSourceFileProvider();
   Map<String, Uri> client =
       await load(Uri.base.resolve("sdk/lib/dart_client.platform"), input);
   Map<String, Uri> server =
       await load(Uri.base.resolve("sdk/lib/dart_server.platform"), input);
   Map<String, Uri> shared =
       await load(Uri.base.resolve("sdk/lib/dart_shared.platform"), input);
   Expect.setEquals(new Set.from(shared.keys), new Set.from(client.keys));
   Expect.setEquals(new Set.from(shared.keys), new Set.from(server.keys));
 
   for (String libraryName in shared.keys) {
     test(Map<String, Uri> m) {
-      if (m[libraryName] != unsupported && shared[libraryName] != unsupported) {
+      if (m[libraryName].scheme != 'unsupported' &&
+          shared[libraryName].scheme != 'unsupported') {
         Expect.equals(shared[libraryName], m[libraryName]);
       }
     }
 
     test(client);
     test(server);
   }
 }