for i := 0; i < iters; i++ {
					runtime.Gosched()
					select {
					case c1 <- 0:
					case c2 <- 0:
					}
				}
				done.Done()
			})
		}()
		go func() {
			trace.WithRegion(context.Background(), "special", func() {
				for i := 0; i < iters; i++ {
					runtime.Gosched()
					select {
					case <-c1:
					case <-c2:
					}
				}
				done.Done()
			})
		}()
	}

	go func() {
		con, _, _ := p.Dequeue()
		done <- con
	}()
	select {
	case ret := <-done:
		return ret
	case <-time.After(time.Millisecond * 500):
		return nil
	}
}

func ExpectTimeout(t *testing.T, p *PushQueue) {
	t.Helper()
	done := make(chan struct{}, 1)
	go func() {
		p.Dequeue()
		done <- struct{}{}
	}()
	select {
	case <-done:
		t.Fatalf("Expected timeout")

		bp.Put(buf[:bp.w])
	}
}

// Get gets a []byte from the BytePool, or creates a new one if none are
// available in the pool.
func (bp *BytePoolCap) Get() (b []byte) {
	if bp == nil {
		return nil
	}
	select {
	case b = <-bp.c:
		// reuse existing buffer
	default:
		// create new aligned buffer
		if bp.wcap > 0 {
			b = reedsolomon.AllocAligned(1, bp.wcap)[0][:bp.w]
		} else {

		proxies = append(proxies, conn)
	}
	return proxies
}

func wgDoneOrTimeout(wg *sync.WaitGroup, timeout time.Duration) bool {
	c := make(chan struct{})
	go func() {
		wg.Wait()
		c <- struct{}{}
	}()
	select {
	case <-c:
		return true
	case <-time.After(timeout):
		return false
	}
}

func TestSendPushesManyPushes(t *testing.T) {
	stopCh := make(chan struct{})
	defer close(stopCh)

     * @return the answer or the given default if not connected to a console.
     */
    boolean askBooleanQuestion(String question, boolean defaultValue);

    /**
     * Asks the user to select an option from the given list and returns the answer.
     * Uses the {@link Object#toString()} representation of the options to format the prompt.
     * Does not prompt the user when there is only one option in the given list.

		}()
		wg.Add(1)
		go func() {
			var tmp [1]byte
			rp.Read(tmp[:])
			<-done
			wg.Done()
		}()
		time.Sleep(time.Millisecond)

		go func() {
			runtime.LockOSThread()
			for {
				select {
				case <-done:
					return
				default:
					runtime.Gosched()
				}
			}
		}()

		runtime.GC()
		// Trigger GC from malloc.
		n := 512
		for i := 0; i < n; i++ {
			_ = make([]byte, 1<<20)

$ go test ./... --istio.test.select -customsetup
```

You can "and" the predicates by separating with commas:

```console
$ go test ./... --istio.test.select +customsetup,-postsubmit
```

This will select tests that have ```label.CustomSetup``` only. It will **not** select tests that have both ```label.CustomSetup```
and ```label.Postsubmit```.

### Running Tests on CI

Istio's CI/CD system is composed of 2 parts:

	muxID uint64
	ctx   context.Context
}

// Send a payload to the remote server.
func (s *Stream) Send(b []byte) error {
	if s.Requests == nil {
		return errors.New("stream does not accept requests")
	}
	select {
	case s.Requests <- b:
		return nil
	case <-s.ctx.Done():
		return context.Cause(s.ctx)
	}
}

// Results returns the results from the remote server one by one.

	}
	defer trace.Stop()

	procs := runtime.GOMAXPROCS(10)
	time.Sleep(50 * time.Millisecond) // test proc stop/start events

	go func() {
		runtime.LockOSThread()
		for {
			select {
			case <-done:
				return
			default:
				runtime.Gosched()
			}
		}
	}()

	runtime.GC()
	// Trigger GC from malloc.
	n := 512
	for i := 0; i < n; i++ {
		_ = make([]byte, 1<<20)
	}

	if m == nil {
		return
	}

	select {
	case m.opCh <- op:
	default:
	}
}

var healSleeper = newDynamicSleeper(5, time.Second, false)

// healRoutine listens to new disks reconnection events and
// issues healing requests for queued objects belonging to the
// corresponding erasure set
func (m *mrfState) healRoutine(z *erasureServerPools) {
	for {
		select {
		case <-GlobalContext.Done():
			return