public void testSchedule() {
    MockExecutor mock = new MockExecutor();
    TestExecutor testExecutor = new TestExecutor(mock);

    Future<?> unused1 = testExecutor.schedule(() -> {}, 10, MINUTES);
    mock.assertLastMethodCalled("scheduleRunnable", 10, MINUTES);

    Future<?> unused2 = testExecutor.schedule(() -> null, 5, SECONDS);
    mock.assertLastMethodCalled("scheduleCallable", 5, SECONDS);
  }

  public void testSchedule_repeating() {

to do, and perhaps after all it might tell her something worth
hearing.  For some minutes it puffed away without speaking, but
at last it unfolded its arms, took the hookah out of its mouth
again, and said, `So you think you're changed, do you?'

  `I'm afraid I am, sir,' said Alice; `I can't remember things as
I used--and I don't keep the same size for ten minutes together!'

  `Can't remember WHAT things?' said the Caterpillar.

		rnd := f()
		duration := max(time.Duration(float64(successTimeout)*rnd), 100*time.Millisecond)
		if duration >= time.Minute {
			timeout.LogFailure()
		} else {
			timeout.LogSuccess(duration)
		}
	}
}

func TestDynamicTimeoutAdjustExponential(t *testing.T) {
	timeout := newDynamicTimeout(time.Minute, time.Second)

	rand.Seed(0)

	initial := timeout.Timeout()

	for range 10 {

	minutes := time.Now().Unix() / 60
	l.forwardTo(minutes)
	winIdx := minutes % 60
	l.Totals[winIdx].merge(AccElem{Total: minutes, Size: sz, N: 1})
	l.LastMin = minutes
}

// Merge all recorded counts of last hour into one
func (l *ReplicationLastHour) getTotal() AccElem {
	var res AccElem
	minutes := time.Now().Unix() / 60
	l.forwardTo(minutes)
	for _, elem := range l.Totals[:] {

	loadNodesUpDown := func(ctx context.Context) (v nodesOnline, err error) {
		v.Online, v.Offline = globalNotificationSys.GetPeerOnlineCount()
		return v, err
	}
	return cachevalue.NewFromFunc(1*time.Minute,
		cachevalue.Opts{ReturnLastGood: true},
		loadNodesUpDown)
}

type driveIOStatMetrics struct {
	readsPerSec    float64
	readsKBPerSec  float64
	readsAwait     float64
	writesPerSec   float64

      description: "MinIO instance {{ $labels.server }} of job {{ $labels.job }} has lost quorum on pool {{ $labels.pool }} on set {{ $labels.set }} for more than 5 minutes."
```

## Verify the configuration and alerts
To verify the above sample alert follow below steps

1. Start a distributed MinIO instance (4 nodes setup)
2. Start Prometheus server and AlertManager

        long minutes = duration.toMinutesPart();
        long seconds = duration.toSecondsPart();
        long millis = duration.toMillisPart();

        if (days > 0) {
            return String.format("%d d %02d:%02d h", days, hours, minutes);
        } else if (hours > 0) {
            return String.format("%02d:%02d h", hours, minutes);
        } else if (minutes > 0) {

    CacheBuilderSpec spec = parse("expireAfterWrite=10m");
    assertThat(spec.writeExpirationTimeUnit).isEqualTo(MINUTES);
    assertThat(spec.writeExpirationDuration).isEqualTo(10L);
    assertCacheBuilderEquivalence(
        CacheBuilder.newBuilder().expireAfterWrite(10L, MINUTES), CacheBuilder.from(spec));
  }

  public void testParse_writeExpirationSeconds() {

	case "fast":
		cfg.Delay, cfg.MaxWait, cfg.Cycle = 1, 100*time.Millisecond, time.Minute
	case "default":
		cfg.Delay, cfg.MaxWait, cfg.Cycle = 2, time.Second, time.Minute
	case "slow":
		cfg.Delay, cfg.MaxWait, cfg.Cycle = 10, 15*time.Second, time.Minute
	case "slowest":
		cfg.Delay, cfg.MaxWait, cfg.Cycle = 100, 15*time.Second, 30*time.Minute
	default:
		return cfg, fmt.Errorf("unknown '%s' value", speed)
	}

	})
	t.Run("testServerOutCongestion", func(t *testing.T) {
		defer timeout(1 * time.Minute)()
		testServerOutCongestion(t, local, remote)
		assertNoActive(t, connRemoteLocal)
		assertNoActive(t, connLocalToRemote)
	})
	t.Run("testServerInCongestion", func(t *testing.T) {
		defer timeout(1 * time.Minute)()
		testServerInCongestion(t, local, remote)
		assertNoActive(t, connRemoteLocal)