Refactor to use new client.Request
diff --git a/rackspace/db/v1/backups/requests_test.go b/rackspace/db/v1/backups/requests_test.go
index 60fe064..e5d8f7c 100644
--- a/rackspace/db/v1/backups/requests_test.go
+++ b/rackspace/db/v1/backups/requests_test.go
@@ -4,6 +4,7 @@
 	"testing"
 
 	"github.com/rackspace/gophercloud/pagination"
+	"github.com/rackspace/gophercloud/rackspace/db/v1/datastores"
 	th "github.com/rackspace/gophercloud/testhelper"
 	fake "github.com/rackspace/gophercloud/testhelper/client"
 )
@@ -36,7 +37,7 @@
 		Size:        100,
 		Status:      "NEW",
 		Updated:     "2014-02-13T21:47:16",
-		Datastore: datastores.Datastore{
+		Datastore: datastores.DatastorePartial{
 			Version:   "5.1",
 			Type:      "MySQL",
 			VersionID: "20000000-0000-0000-0000-000000000002",
@@ -71,7 +72,7 @@
 				Size:        0.141026,
 				Status:      "COMPLETED",
 				Updated:     "2014-06-18T21:24:39",
-				Datastore: datastores.Datastore{
+				Datastore: datastores.DatastorePartial{
 					Version:   "5.1",
 					Type:      "MySQL",
 					VersionID: "20000000-0000-0000-0000-000000000002",
@@ -109,7 +110,7 @@
 		Size:        100,
 		Status:      "NEW",
 		Updated:     "2014-02-13T21:47:16",
-		Datastore: datastores.Datastore{
+		Datastore: datastores.DatastorePartial{
 			Version:   "5.1",
 			Type:      "MySQL",
 			VersionID: "20000000-0000-0000-0000-000000000002",