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.
useImperativeHandle = React.useImperativeHandle;
    forwardRef = React.forwardRef;
    memo = React.memo;
    useTransition = React.useTransition;
    useDeferredValue = React.useDeferredValue;
    Suspense = React.Suspense;
    act = ReactNoop.act;
    TextResource = ReactCache.unstable_createResource(
      ([text, ms = 0]) => {
        return new Promise((resolve, reject) =>
          setTimeout(() => {
            Scheduler.unstable_yieldValue(`Promise resolved [${text}]`);
            resolve(text);
          }, ms),
        );
      },
      ([text, ms]) => text,
    );
  });
  function span(prop) {
    return {type: 'span', hidden: false, children: [], prop};
  }
  function hiddenSpan(prop) {
    return {type: 'span', children: [], prop, hidden: true};
  }
  function Text(props) {
    Scheduler.unstable_yieldValue(props.text);
    return <span prop={props.text} />;
  }
  function AsyncText(props) {