Add appengine/gcloud/mustache dependencies.

pkg/gcloud/test/db/model_dbs/duplicate_fieldname.dart

Index: pkg/gcloud/test/db/model_dbs/duplicate_fieldname.dart
diff --git a/pkg/gcloud/test/db/model_dbs/duplicate_fieldname.dart b/pkg/gcloud/test/db/model_dbs/duplicate_fieldname.dart
new file mode 100644
index 0000000000000000000000000000000000000000..33b6bce0a2f393921310575a2c1386dca51abfdc
--- /dev/null
+++ b/pkg/gcloud/test/db/model_dbs/duplicate_fieldname.dart
@@ -0,0 +1,19 @@
+// Copyright (c) 2014, 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 gcloud.db.model_test.duplicate_fieldname;
+
+import 'package:gcloud/db.dart' as db;
+
+@db.Kind()
+class A extends db.Model {
+  @db.IntProperty()
+  int foo;
+}
+
+@db.Kind()
+class B extends A {
+  @db.IntProperty(propertyName: 'bar')
+  int foo;
+}