configs: []config.Config{{
				Meta: config.Meta{
					GroupVersionKind: gvk.DestinationRule,
					Name:             "test-desinationrule",
					Namespace:        TestServiceNamespace,
				},
				Spec: destRuleWithNoSubsets,
			}},
			configUpdated:        sets.New(model.ConfigKey{Kind: kind.DestinationRule, Name: "test-desinationrule", Namespace: TestServiceNamespace}),

		clusterMode            ClusterMode
		service                *model.Service
		port                   *model.Port
		proxyView              model.ProxyView
		destRule               *networking.DestinationRule
		meshConfig             *meshconfig.MeshConfig
		expectedSubsetClusters []*cluster.Cluster
	}{
		// TODO(ramaraochavali): Add more tests to cover additional conditions.
		{

:{"calcs":["lastNotNull"],"fields":"","values":false},"textMode":"auto"},"pluginVersion":"10.1.5","targets":[{"datasource":{"type":"prometheus","uid":"${datasource}"},"expr":"max(pilot_k8s_cfg_events{type=\"DestinationRule\", event=\"add\"}) - (max(pilot_k8s_cfg_events{type=\"DestinationRule\", event=\"delete\"}) or max(up * 0))","format":"time_series","intervalFactor":1,"refId":"A"}],"title":"Destination Rules","type":"stat"},{"datasource":{"type":"prometheus","uid":"${datasource}"},"fieldConfi...

}

// ValidateDestinationRule checks proxy policies
var ValidateDestinationRule = RegisterValidateFunc("ValidateDestinationRule",
	func(cfg config.Config) (Warning, error) {
		rule, ok := cfg.Spec.(*networking.DestinationRule)
		if !ok {
			return nil, fmt.Errorf("cannot cast to destination rule")
		}
		v := Validation{}
		v = AppendValidation(v,
			agent.ValidateWildcardDomain(rule.Host),