Update test dialer to use ip when available

test/conformance/ingress/util.go

@@ -1043,6 +1043,20 @@ func CreateDialContext(ctx context.Context, t *testing.T, ing *v1alpha1.Ingress,
 		t.Fatal("Ingress does not have a public load balancer assigned.")
 	}
 
+	if ing.Status.PublicLoadBalancer.Ingress[0].IP != "" {
+		dial := network.NewBackoffDialer(dialBackoff)
+		ingressIP := ing.Status.PublicLoadBalancer.Ingress[0].IP
+
+		port := 80
+		if ing.Spec.Rules[0].Visibility == v1alpha1.IngressVisibilityExternalIP && ing.Spec.HTTPOption == v1alpha1.HTTPOptionRedirected {
+			port = 443
+		}
+
+		return func(ctx context.Context, _ string, _ string) (net.Conn, error) {
+			return dial(ctx, "tcp", fmt.Sprintf("%s:%d", ingressIP, port))
+		}
+	}
+
 	// TODO(mattmoor): I'm open to tricks that would let us cleanly test multiple
 	// public load balancers or LBs with multiple ingresses (below), but want to
 	// keep our simple tests simple, thus the [0]s...