func waitForWorkloadCertUpdate(t framework.TestContext, ztunnelPod v1.Pod, serviceAccount string,
	istioCtl istioctl.Instance, originalCert *configdump.CertsDump,
) *configdump.CertsDump {
	var newSecret *configdump.CertsDump
	retry.UntilOrFail(t, func() bool {
		updatedCert, _, err := getWorkloadSecret(t, []v1.Pod{ztunnelPod}, serviceAccount, istioCtl)
		if err != nil {
			t.Logf("failed to get current workload secret: %v", err)

	ns string, serviceAccount string, kubeClient kube.CLIClient, options Options,
) (map[string]*discovery.DiscoveryResponse, error) {
	return MultiRequestAndProcessXds(true, dr, centralOpts, istioNamespace, ns, serviceAccount, kubeClient, options)
}

	wi1 := &model.WorkloadInstance{
		Name:      selector.Name,
		Namespace: selector.Namespace,
		Endpoint: &model.IstioEndpoint{
			Address:        "2.2.2.2",
			Labels:         map[string]string{"app": "wle"},
			ServiceAccount: spiffe.MustGenSpiffeURIForTrustDomain("cluster.local", selector.Name, "default"),
			TLSMode:        model.IstioMutualTLSModeLabel,
		},
	}

	wi2 := &model.WorkloadInstance{
		Name:      "some-other-name",

	Service                        = config.GroupVersionKind{Group: "", Version: "v1", Kind: "Service"}
	ServiceAccount                 = config.GroupVersionKind{Group: "", Version: "v1", Kind: "ServiceAccount"}
	ServiceEntry                   = config.GroupVersionKind{Group: "networking.istio.io", Version: "v1alpha3", Kind: "ServiceEntry"}

metadata:
  name: reviews
spec:
  metadata:
    labels:
      app.kubernetes.io/name: reviews
      app.kubernetes.io/version: "1.3.4"
  template:
    ports:
      grpc: 3550
      http: 8080

//  4. defining a new service account for a new controller (old controllers may have inconsistent service accounts to stay backwards compatible)
const (
	ServiceAccountTokenController                = "serviceaccount-token-controller"
	EndpointsController                          = "endpoints-controller"
	EndpointSliceController                      = "endpointslice-controller"

		Namespace: customNs.Get(),
		Service:   "server-naked-foo",
		Subsets: []echo.SubsetConfig{
			{
				Annotations: map[string]string{annotation.SidecarInject.Name: "false"},
			},
		},
		ServiceAccount: true,
		Ports: []echo.Port{
			{
				Name:         "https",
				Protocol:     protocol.HTTPS,
				ServicePort:  443,
				WorkloadPort: 8443,
				TLS:          true,
			},
		},

apiVersion: v1
kind: ServiceAccount
metadata:
  name: node-problem-detector
  namespace: kube-system
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: npd-binding
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile
roleRef:

source "${KUBE_ROOT}/test/cmd/legacy-script.sh"

# setup envs for TokenRequest required flags
SERVICE_ACCOUNT_LOOKUP=${SERVICE_ACCOUNT_LOOKUP:-true}
SERVICE_ACCOUNT_KEY=${SERVICE_ACCOUNT_KEY:-/tmp/kube-serviceaccount.key}
# Generate ServiceAccount key if needed
if [[ ! -f "${SERVICE_ACCOUNT_KEY}" ]]; then
  mkdir -p "$(dirname "${SERVICE_ACCOUNT_KEY}")"
  openssl genrsa -out "${SERVICE_ACCOUNT_KEY}" 2048 2>/dev/null
fi

# Runs kube-apiserver

			Ports:          ports.All(),
			ServiceAccount: true,
			Subsets: []echo.SubsetConfig{
				{
					Replicas: 1,
					Version:  "v1",
				},
				{
					Replicas: 1,
					Version:  "v2",
				},
			},
		}).
		WithConfig(echo.Config{
			Service:        Uncaptured,
			Namespace:      apps.Namespace,
			Ports:          ports.All(),
			ServiceAccount: true,
			Subsets: []echo.SubsetConfig{