func checkResult(result, expected string) error {
	resultFile, err := os.ReadFile(result)
	if err != nil {
		return fmt.Errorf("couldn't read result: %v", err)
	}
	expectedFile, err := os.ReadFile(expected)
	if err != nil {
		return fmt.Errorf("couldn't read expected: %v", err)
	}
	if !bytes.Equal(resultFile, expectedFile) {

			// Safety: Resp is buffered, so this will not block
			update.Resp <- updateResponse{
				err:  err,
				resp: resp,
			}

		case <-time.After(ztunnelKeepAliveCheckInterval):
			// do a short read, just to see if the connection to ztunnel is
			// still alive. As ztunnel shouldn't send anything unless we send
			// something first, we expect to get an os.ErrDeadlineExceeded error
			// here if the connection is still alive.

		var err error
		if path == "-" {
			reader = io.NopCloser(os.Stdin)
		} else {
			reader, err = os.Open(path)
			if err != nil {
				errs = multierror.Append(errs, fmt.Errorf("cannot read file %q: %v", path, err))
				return
			}
		}
		warning, err := v.validateFile(path, istioNamespace, defaultNamespace, reader, writer)
		if err != nil {
			errs = multierror.Append(errs, err)
		}

	}
	meshConfigMap, err := client.Kube().CoreV1().ConfigMaps(ctx.IstioNamespace()).Get(context.TODO(), meshConfigMapName, metav1.GetOptions{})
	if err != nil {
		return nil, fmt.Errorf("could not read valid configmap %q from namespace %q: %v - "+
			"Use --meshConfigFile or re-run "+command+" with `-i <istioSystemNamespace> and ensure valid MeshConfig exists",
			meshConfigMapName, ctx.IstioNamespace(), err)
	}

}

// Tests Pilot /debug
func TestDescribe(t *testing.T) {
	productPageConfigPath := "testdata/describe/http_config.json"
	config, err := os.ReadFile(productPageConfigPath)
	if err != nil {
		t.Fatalf("failed to read %s: %v", productPageConfigPath, err)
	}
	cases := []execAndK8sConfigTestCase{
		{ // case 0
			args:           []string{},
			expectedString: "Describe resource and related Istio configuration",
		},

	if len(in.cniConfigFilepath) > 0 && file.Exists(in.cniConfigFilepath) {
		if in.cfg.ChainedCNIPlugin {
			installLog.Infof("Removing Istio CNI config from CNI config file: %s", in.cniConfigFilepath)

			// Read JSON from CNI config file
			cniConfigMap, err := util.ReadCNIConfigMap(in.cniConfigFilepath)
			if err != nil {
				return err
			}
			// Find Istio CNI and remove from plugin list

	"istio.io/istio/pkg/cmd"
	"istio.io/istio/pkg/collateral"
	"istio.io/istio/pkg/config/constants"
	"istio.io/istio/pkg/log"
	"istio.io/istio/tools/bug-report/pkg/bugreport"
)

const (
	// Location to read istioctl defaults from
	defaultIstioctlConfig = "$HOME/.istioctl/config.yaml"
)

const (
	FlagCharts = "charts"
)

// ConfigAndEnvProcessing uses spf13/viper for overriding CLI parameters

		if err != nil {
			panic(fmt.Errorf("failed to make temp dir: %v", err))
		}
		f, err := os.Open("testdata/manifest-generate/data-snapshot.tar.gz")
		if err != nil {
			panic(fmt.Errorf("failed to read data snapshot: %v", err))
		}
		if err := extract(f, d); err != nil {
			panic(fmt.Errorf("failed to extract data snapshot: %v", err))
		}
		return chartSourceType(filepath.Join(d, "manifests"))
	}()

		}
	default:
		return nil, nil, fmt.Errorf("unsupported type: %v", opt.Type)
	}
	tokenSecret, err := getServiceAccountSecret(client, opt)
	if err != nil {
		return nil, nil, fmt.Errorf("could not get access token to read resources from local kube-apiserver: %v", err)
	}

	var server string
	var warn Warning
	if opt.ServerOverride != "" {
		server = opt.ServerOverride
	} else {