Update cloud package.

impl/cloud/datastore_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 cloud
 
 import (
         "crypto/rand"
         "encoding/hex"
         "fmt"
         "os"
         "testing"
         "time"
 
         ds "github.com/luci/gae/service/datastore"
         "github.com/luci/gae/service/info"
 
+        "cloud.google.com/go/datastore"
         "github.com/luci/luci-go/common/errors"
         "golang.org/x/net/context"
-        "google.golang.org/cloud/datastore"
 
         . "github.com/smartystreets/goconvey/convey"
 )
 
 func mkProperties(index bool, vals ...interface{}) []ds.Property {
         indexSetting := ds.ShouldIndex
         if !index {
                 indexSetting = ds.NoIndex
         }
 
@@ skipping 254 matching lines @@
                                         pmap := ds.PropertyMap{"$kind": mkp("Test"), "$id": mkp("quux")}
                                         err = di.RunInTransaction(func(c context.Context) error {
                                                 return ds.Get(c).Get(pmap)
                                         }, nil)
                                         So(err, ShouldEqual, ds.ErrNoSuchEntity)
                                 })
                         })
                 })
         })
 }