Milo: Use custom config caching layer

milo/appengine/buildbot/pubsub_test.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package buildbot
 
 import (
         "bytes"
         "compress/zlib"
         "encoding/base64"
@@ skipping 73 matching lines @@
 func TestPubSub(t *testing.T) {
         Convey(`A test Environment`, t, func() {
                 c := memory.UseWithAppID(context.Background(), "dev~luci-milo")
                 c = gologger.StdConfig.Use(c)
                 c, _ = testclock.UseTime(c, fakeTime)
                 c = testconfig.WithCommonClient(c, memcfg.New(bbAclConfigs))
                 c = auth.WithState(c, &authtest.FakeState{
                         Identity:       identity.AnonymousIdentity,
                         IdentityGroups: []string{"all"},
                 })
+                // Update the service config so that the settings are loaded.
+                err := common.UpdateServiceConfig(c)
+                So(err, ShouldBeNil)
 
                 rand.Seed(5)
 
                 Convey("Save build entry", func() {
                         build := &buildbotBuild{
                                 Master:      "Fake Master",
                                 Buildername: "Fake buildername",
                                 Number:      1234,
                                 Currentstep: "this is a string",
                                 Finished:    true,
@@ skipping 357 matching lines @@
                                 So(m.Project.Title, ShouldEqual, "some title")
                                 So(m.Slaves["testslave"].Name, ShouldEqual, "testslave")
                                 So(len(m.Slaves["testslave"].Runningbuilds), ShouldEqual, 0)
                                 So(len(m.Slaves["testslave"].RunningbuildsMap), ShouldEqual, 1)
                                 So(m.Slaves["testslave"].RunningbuildsMap["Fake buildername"][0],
                                         ShouldEqual, 2222)
                         })
                 })
         })
 }