Better attempt at an appengine wrapper.

go/src/infra/gae/libs/wrapper/testable.go

Index: go/src/infra/gae/libs/wrapper/testable.go
diff --git a/go/src/infra/gae/libs/wrapper/testable.go b/go/src/infra/gae/libs/wrapper/testable.go
new file mode 100644
index 0000000000000000000000000000000000000000..561641cfda92eed83e6ad51d36fb581fab780c6a
--- /dev/null
+++ b/go/src/infra/gae/libs/wrapper/testable.go
@@ -0,0 +1,10 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package wrapper
+
+// Testable is the basic interface that every fake service should implement.
+type Testable interface {
+	FeatureBreaker
+}