https://codesandbox.io/s/upbeat-frost-3tt25

1. Press Suspend, see "Loading..."
2. Wait five seconds, you'll see "Happy birthday" at some point 
3. You won't see it again no matter how long you wait

Expected: you'll see it every five seconds.
return (
    firstSuspendedTime !== NoWork &&
    firstSuspendedTime >= expirationTime &&
    lastSuspendedTime <= expirationTime
  );
}
export function markRootSuspendedAtTime(
  root: FiberRoot,
  expirationTime: ExpirationTime,
): void {
  const firstSuspendedTime = root.firstSuspendedTime;
  const lastSuspendedTime = root.lastSuspendedTime;
  if (firstSuspendedTime < expirationTime) {
    root.firstSuspendedTime = expirationTime;
  }
  if (lastSuspendedTime > expirationTime || firstSuspendedTime === NoWork) {
    root.lastSuspendedTime = expirationTime;
  }
  if (expirationTime <= root.lastPingedTime) {
    root.lastPingedTime = NoWork;
  }
  if (expirationTime <= root.lastExpiredTime) {
    root.lastExpiredTime = NoWork;
  }
}
export function markRootUpdatedAtTime(
  root: FiberRoot,
  expirationTime: ExpirationTime,
): void {