Interface update, per-method Contexts.

docs/present/lightning/native_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.
+
 // +build native_appengine
 
 package demo
 
 import "testing"
 import "google.golang.org/appengine/aetest"
 import . "github.com/smartystreets/goconvey/convey"
 
 // START OMIT
 
@@ skipping 14 matching lines @@
                 _, err = datastore.PutMulti(ctx, keys, []*Model{{10, 20}, {20, 30}}) // HL
                 So(err, ShouldBeNil)
 
                 ms := make([]*Model, 2)
                 So(datastore.GetMulti(ctx, keys, ms), ShouldBeNil) // HL
                 So(ms, ShouldResemble, []*Model{{10, 20}, {20, 30}})
         })
 }
 
 // END OMIT