Whoops, a test case assumed OS_USER_ID is set.
diff --git a/acceptance/openstack/identity/v3/endpoint_test.go b/acceptance/openstack/identity/v3/endpoint_test.go
index 9032ec3..ea893c2 100644
--- a/acceptance/openstack/identity/v3/endpoint_test.go
+++ b/acceptance/openstack/identity/v3/endpoint_test.go
@@ -46,6 +46,9 @@
 func TestNavigateCatalog(t *testing.T) {
 	// Create a service client.
 	client := createAuthenticatedClient(t)
+	if client == nil {
+		return
+	}
 
 	var compute *services3.Service
 	var endpoint *endpoints3.Endpoint