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.
const child = useRef(null);
          useLayoutEffect(() => {
            Scheduler.unstable_yieldValue(ReactNoop.getPendingChildrenAsJSX());
          });
          return (
            <span ref={child} hidden={false}>
              <AsyncText ms={1000} text="Hi" />
            </span>
          );
        }
        function App(props) {