ChooseVersion accounts for missing /s.
diff --git a/acceptance/openstack/client_test.go b/acceptance/openstack/client_test.go
index 053e2ac..b9fdc82 100644
--- a/acceptance/openstack/client_test.go
+++ b/acceptance/openstack/client_test.go
@@ -18,7 +18,7 @@
 	}
 
 	// Trim out unused fields.
-	ao.TenantID, ao.TenantName, ao.Username = "", "", ""
+	ao.TenantID, ao.TenantName = "", ""
 
 	client, err := openstack.AuthenticatedClient(ao)
 	if err != nil {