Function waitUntil

async_test.go:62–71

(timeout time.Duration, cond func() bool)

}

func waitUntil(timeout time.Duration, cond func() bool) bool {
	deadline := time.Now().Add(timeout)
	for time.Now().Before(deadline) {
		if cond() {
			return true
		}
		time.Sleep(5 * time.Millisecond)
	}
	return cond()
}