Address a number of open issues.

test/resource_test.dart

Index: test/resource_test.dart
diff --git a/test/resource_test.dart b/test/resource_test.dart
index dbce94793a73bd64def89dc416f9143f837fe99a..608943ac4967cd48919ae86609e2cc021fe2f056 100644
--- a/test/resource_test.dart
+++ b/test/resource_test.dart
@@ -39,8 +39,8 @@ main() {
     }
 
     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"));