[Federation]Fix e2e: pass clusterIngress out

test/e2e_federation/ingress.go

@@ -323,7 +323,8 @@ func waitForIngressOrFail(clientset *kubeclientset.Clientset, namespace string,
 	By(fmt.Sprintf("Fetching a federated ingress shard of ingress %q in namespace %q from cluster", ingress.Name, namespace))
 	var clusterIngress *v1beta1.Ingress
 	err := wait.PollImmediate(framework.Poll, timeout, func() (bool, error) {
-		clusterIngress, err := clientset.Ingresses(namespace).Get(ingress.Name, metav1.GetOptions{})
+		var err error
+		clusterIngress, err = clientset.Ingresses(namespace).Get(ingress.Name, metav1.GetOptions{})
 		if (!present) && errors.IsNotFound(err) { // We want it gone, and it's gone.
 			By(fmt.Sprintf("Success: shard of federated ingress %q in namespace %q in cluster is absent", ingress.Name, namespace))
 			return true, nil // Success