Sandbox: https://codesandbox.io/s/cranky-kapitsa-op3jh

Repro: type "a" and then after a second "b"

Expected: Eventually you'll see "ab" in all fields. Pending "..." indicator goes away.

Actual: You'll keep seeing "a" in low pri field. Pending "..." indicator is stuck.
const [text, _setText] = useState('A');
        setInnerText = _setText;
        
        useEffect(() => {
          if (text === outerText) {
            Scheduler.unstable_yieldValue('Commit Child');
          } else {
            Scheduler.unstable_yieldValue(
              'FIXME: Texts are inconsistent (tearing)',
            );
          }
        }, [text, outerText]);
        return (
          <>
            <AsyncText text={'Inner text: ' + text} />
            <Text text={'Inner step: ' + step} />
          </>
        );
      }
      
      function setText(text) {