Refactor current GAE abstraction library to be free of the SDK*

go/src/infra/gae/libs/wrapper/unsafe/memcache_test.go

-// 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 unsafe
-
-import (
-        "testing"
-
-        "appengine/memcache"
-
-        . "github.com/smartystreets/goconvey/convey"
-)
-
-func TestUnsafeMemcacheItem(t *testing.T) {
-        Convey("unsafe memcache", t, func() {
-                // kinda a bogus test, but it forces the init() to run, which checks the
-                // field alignment and should panic bigtime if things are wrong.
-                itm := &memcache.Item{}
-                So(MCGetCasID(itm), ShouldEqual, 0)
-                MCSetCasID(itm, 10)
-                So(MCGetCasID(itm), ShouldEqual, 10)
-        })
-}