Address a number of open issues.

test/resource_test.dart

 // Copyright (c) 2015, 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.
 
 @TestOn("vm")
 
 import 'dart:core' hide Resource;
 import "dart:async" show Future, Stream;
 import "dart:isolate" show Isolate;
 import "dart:convert" show Encoding, ASCII;
@@ skipping 21 matching lines @@
       expect(res, [0, 0, 0]);
       res = await resource.readAsString(encoding: ASCII);
       expect(res, "\x00\x00\x00");
 
       expect(loader.requests, [["Stream", resolved],
                                ["Bytes", resolved],
                                ["String", resolved, ASCII]]);
     }
 
     test("load package: URIs", () async {
-      await testLoad(pkguri("foo/bar/baz"));
-      await testLoad(pkguri("bar/foo/baz"));
+      await testLoad(pkguri("resource/bar/baz"));
+      await testLoad(pkguri("test/foo/baz"));
     });
     test("load non-pkgUri", () async {
       await testLoad(Uri.parse("file://localhost/something?x#y"));
       await testLoad(Uri.parse("http://auth/something?x#y"));
       await testLoad(Uri.parse("https://auth/something?x#y"));
       await testLoad(Uri.parse("data:,something?x"));
       await testLoad(Uri.parse("unknown:/something"));
     });
   });
 }
 
 
 class LogLoader implements ResourceLoader {
   final List requests = [];
   void reset() { requests.clear(); }
   Stream<List<int>> openRead(Uri uri) async* {
     requests.add(["Stream", uri]);
     yield [0x00, 0x00, 0x00];
   }
   Future<List<int>> readAsBytes(Uri uri) async {
     requests.add(["Bytes", uri]);
     return [0x00, 0x00, 0x00];
   }
   Future<String> readAsString(Uri uri, {Encoding encoding}) async {
     requests.add(["String", uri, encoding]);
     return "\x00\x00\x00";
   }
 }