Use the new EndpointOpts service instantiation.
diff --git a/acceptance/openstack/storage_test.go b/acceptance/openstack/storage_test.go
index 7daaa45..833e5a3 100644
--- a/acceptance/openstack/storage_test.go
+++ b/acceptance/openstack/storage_test.go
@@ -32,7 +32,9 @@
 		return nil, err
 	}
 
-	return openstack.NewStorageV1(client, os.Getenv("OS_REGION_NAME"))
+	return openstack.NewStorageV1(client, gophercloud.EndpointOpts{
+		Region: os.Getenv("OS_REGION_NAME"),
+	})
 }
 
 func TestAccount(t *testing.T) {