if err != nil {
		t.Error(err)
		t.FailNow()
	}
	rootCAs := x509.NewCertPool()
	rootCAs.AppendCertsFromPEM(testcerts.CACert)
	testServer := httptest.NewUnstartedServer(http.HandlerFunc(handler))
	testServer.TLS = &tls.Config{
		Certificates: []tls.Certificate{sCert},
		ClientCAs:    rootCAs,
		ClientAuth:   tls.RequireAndVerifyClientCert,
	}
	return testServer
}

		return val
	}

	ldapServer := getCfgVal(ServerAddr)
	if ldapServer == "" {
		return l, nil
	}
	l.LDAP = ldap.Config{
		RootCAs:       rootCAs,
		ServerAddr:    ldapServer,
		SRVRecordName: getCfgVal(SRVRecordName),
	}

	// Parse explicitly set enable=on/off flag.
	isEnableFlagExplicitlySet := false
	if v := getCfgVal(config.Enable); v != "" {

	if color.IsTerminal() && (!globalServerCtxt.Anonymous && !globalServerCtxt.JSON && globalAPIConfig.permitRootAccess()) {
		logger.Info(color.Blue("   RootUser: ") + color.Bold("%s ", cred.AccessKey))
		logger.Info(color.Blue("   RootPass: ") + color.Bold("%s \n", cred.SecretKey))
		if region != "" {
			logger.Info(color.Blue("   Region: ") + color.Bold("%s", fmt.Sprintf(getFormatStr(len(region), 2), region)))
		}
	}

	if globalBrowserEnabled {

		Local:        local,
		Hosts:        hosts,
		AddAuth:      newCachedAuthToken(),
		AuthRequest:  storageServerRequestValidate,
		BlockConnect: globalGridStart,
		TLSConfig: &tls.Config{
			RootCAs:          globalRootCAs,
			CipherSuites:     fips.TLSCiphers(),
			CurvePreferences: fips.TLSCurveIDs(),
		},
		// Record incoming and outgoing bytes.
		Incoming: globalConnStats.incInternodeInputBytes,

				}
				// Load the certificate from disk
				certificate, err = tls.LoadX509KeyPair(cert, key)
				if err != nil {
					return nil, err
				}
			}
			return &certificate, nil
		},
		RootCAs:    rootCert,
		MinVersion: tls.VersionTLS12,
	}

	if host, _, err := net.SplitHostPort(opts.ServerAddress); err == nil {
		config.ServerName = host
	}
	// For debugging on localhost (with port forward)

	caCertPool.AppendCertsFromPEM(caCert)

	// creating https client with client certificate and certificate authority
	httpsClient := &http.Client{
		Transport: &http.Transport{
			TLSClientConfig: &tls.Config{
				RootCAs:    caCertPool,
				MinVersion: tls.VersionTLS12,
			},
		},
	}

	server := NewJwtServer(serverCert, serverKey)

	// Start the test server on port 8443.
	go server.runHTTPS(":8443")

	// Request to an advertised but unhandled NPN protocol.
	// Server will hang up.
	{
		certPool := x509.NewCertPool()
		certPool.AddCert(ts.Certificate())
		tr := &Transport{
			TLSClientConfig: &tls.Config{
				RootCAs:    certPool,
				NextProtos: []string{"unhandled-proto"},
			},
		}
		defer tr.CloseIdleConnections()
		c := &Client{
			Transport: tr,
		}
		res, err := c.Get(ts.URL)
		if err == nil {

			return nil, fmt.Errorf("failed to create cert pool")
		}
		cfg := credentials.NewTLS(&tls.Config{Certificates: []tls.Certificate{cert}, RootCAs: certPool, MinVersion: tls.VersionTLS12})
		// If provided, override the hostname
		if tlsSettings.Hostname != "" {
			dialOptions = append(dialOptions, grpc.WithAuthority(tlsSettings.Hostname))
		}

	if err != nil {
		return nil, fmt.Errorf("failed to get application default credentials: %w", err)
	}

	return []grpc.DialOption{
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{
			RootCAs:    systemRoots,
			MinVersion: tls.VersionTLS12,
		})),
		grpc.WithPerRPCCredentials(&meshAuthCredentials{
			k8sCreds: k8sCreds,
			gcpCreds: gcpCreds,
			project:  gcpProject,
		}),
	}, nil

	certPool := x509.NewCertPool()
	ok := certPool.AppendCertsFromPEM(rootCert)
	if !ok {
		return nil, fmt.Errorf("failed to append certificates")
	}
	config := tls.Config{
		RootCAs:            certPool,
		InsecureSkipVerify: true, // nolint: gosec // test only code
	}
	transportCreds := credentials.NewTLS(&config)

	conn, err := grpc.Dial(endpoint, grpc.WithTransportCredentials(transportCreds))