}

type jentry struct {
	ObjName   string
	VersionID string
	TierName  string
}

func deleteObjectFromRemoteTier(ctx context.Context, objName, rvID, tierName string) error {
	w, err := globalTierConfigMgr.getDriver(ctx, tierName)
	if err != nil {
		return err
	}
	return w.Remove(ctx, objName, remoteVersionID(rvID))

	// Add a timeout similar to what we expect upstream.
	ctx, cancel := context.WithTimeout(context.Background(), dsync.DefaultTimeouts.RefreshCall)
	defer cancel()

	resp := lockRPCRefresh.NewResponse()
	refreshed, err := l.ll.Refresh(ctx, *args)
	if err != nil {
		return l.makeResp(resp, err)
	}
	if !refreshed {
		return l.makeResp(resp, errLockNotFound)
	}

        assertTrue(ctx.isSupported(oid));
        assertTrue(ctx.isPreferredMech(oid));
    }

    @Test
    @DisplayName("isSupported returns false for null/unknown OIDs")
    void isSupported_unknownOrNull() {
        assertFalse(ctx.isSupported(null));
        assertFalse(ctx.isPreferredMech(null));
        assertFalse(ctx.isSupported(new ASN1ObjectIdentifier("1.3.6.1.4.1.99999")));
    }

}

func prepareErasureSets32(ctx context.Context) (ObjectLayer, []string, error) {
	return prepareErasure(ctx, 32)
}

func prepareErasure(ctx context.Context, nDisks int) (ObjectLayer, []string, error) {
	fsDirs, err := getRandomDisks(nDisks)
	if err != nil {
		return nil, nil, err
	}
	obj, _, err := initObjectLayer(ctx, mustGetPoolEndpoints(0, fsDirs...))
	if err != nil {
		removeRoots(fsDirs)

Sample handler:
```go
    handler :=  func(ctx context.Context, payload []byte, in <-chan []byte, out chan<- []byte) *RemoteErr {
        fmt.Println("Got request with initial payload", p, "from", GetCaller(ctx context.Context))
        fmt.Println("Subroute:", GetSubroute(ctx))
        for {
            select {
            case <-ctx.Done():
                return nil
            case req, ok := <-in:

}

// LookupConfigForSubSys - lookup logger config, override with ENVs if set, for the given sub-system
func LookupConfigForSubSys(ctx context.Context, scfg config.Config, subSys string) (cfg Config, err error) {
	switch subSys {
	case config.LoggerWebhookSubSys:
		cfg = lookupLegacyConfigForSubSys(ctx, config.LoggerWebhookSubSys)
		if cfg, err = lookupLoggerWebhookConfig(scfg, cfg); err != nil {
			return cfg, err
		}

				config.EnvEndpoints, os.Getenv(config.EnvEndpoints))
		}
	}
	if v == "" {
		if !ctx.Args().Present() || ctx.Args().First() == "help" {
			cli.ShowCommandHelpAndExit(ctx, ctx.Command.Name, 1)
		}
		return ctx.Args()
	}
	return strings.Fields(v)
}

func configCommonToSrvCtx(cf config.ServerConfigCommon, ctxt *serverCtxt) {
	ctxt.RootUser = cf.RootUser

	}
	m.handlers.init()
	if ctx == nil {
		ctx = context.Background()
	}

	for _, host := range o.Hosts {
		if host == o.Local {
			if found {
				return nil, fmt.Errorf("grid: local host found multiple times")
			}
			found = true
			// No connection to local.
			continue
		}
		m.targets[host] = newConnection(connectionParams{
			ctx:           ctx,
			id:            m.ID,

		}
	})
}

func TestCancelTransaction(t *testing.T) {
	ctx := context.Background()
	ctx, cancelFunc := context.WithCancel(ctx)
	cancelFunc()

	user := *GetUser("cancel_transaction", Config{})
	DB.Create(&user)

	err := DB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
		var result User
		tx.First(&result, user.ID)
		return nil
	})

	t.Skip("long test skip it")

	ctx := t.Context()

	for i := range 10000 {
		nsLk := newNSLock(false)

		// lk1; ref=1
		if !nsLk.lock(ctx, "volume", "path", "source", "opsID", false, time.Second) {
			t.Fatal("failed to acquire lock")
		}

		// lk2
		lk2ch := make(chan struct{})
		go func() {
			defer close(lk2ch)
			nsLk.lock(ctx, "volume", "path", "source", "opsID", false, 1*time.Millisecond)