dsl struct tags; wip
diff --git a/openstack/db/v1/instances/requests_test.go b/openstack/db/v1/instances/requests_test.go
index b56165a..3caac23 100644
--- a/openstack/db/v1/instances/requests_test.go
+++ b/openstack/db/v1/instances/requests_test.go
@@ -99,7 +99,7 @@
 	defer th.TeardownHTTP()
 	HandleIsRootEnabled(t)
 
-	isEnabled, err := IsRootEnabled(fake.ServiceClient(), instanceID)
+	isEnabled, err := IsRootEnabled(fake.ServiceClient(), instanceID).Extract()
 
 	th.AssertNoErr(t, err)
 	th.AssertEquals(t, true, isEnabled)