return ""
	}
	if len(vh.GetRoutes()) != 1 {
		return ""
	}
	r := vh.GetRoutes()[0]
	if r.GetMatch().GetPrefix() != "/" {
		return ""
	}
	a, ok := r.GetAction().(*route.Route_Route)
	if !ok {
		return ""
	}
	cl, ok := a.Route.ClusterSpecifier.(*route.RouteAction_Cluster)
	if !ok {
		return ""
	}
	if strings.Contains(cl.Cluster, "Cluster") {

   Matching subsets: 
      (Non-matching subsets v1)
   Traffic Policy TLS Mode: ISTIO_MUTUAL
   Policies: load balancer/connection pool/outlier detection
   Port Level Settings:
    8080:
      TLS Mode: DISABLE
      Policies: load balancer/connection pool/outlier detection
VirtualService: bookinfo
   Route to host "productpage" with weight 30%
   Route to host "productpage2" with weight 20%

			wantError:      true,
		},
		{
			name: "warning",
			args: []string{"--filename", warningFilename},
			expectedRegexp: regexp.MustCompile(`(?m)".*" has warnings: 
	\* DestinationRule//reviews-cb-policy: outlier detection consecutive errors is deprecated, use consecutiveGatewayErrors or consecutive5xxErrors instead

Error: 1 error occurred:
	\* VirtualService//invalid-virtual-service: weight -15 < 0`),
			wantError: true,
		},
		{