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 computed = useMemo(() => props.compute(props.input), [
          props.input,
        ]);
        const [count, setCount] = useState(0);
        if (count < 3) {
          setCount(count + 1);
        }
        return <Text text={computed} />;
      }
      function compute(val) {
        Scheduler.unstable_yieldValue('compute ' + val);
        return val;
      }
      ReactNoop.render(<LazyCompute compute={compute} input="A" />);
      expect(Scheduler).toFlushAndYield(['compute A', 'A']);
      ReactNoop.render(<LazyCompute compute={compute} input="A" />);
      expect(Scheduler).toFlushAndYield(['A']);
      ReactNoop.render(<LazyCompute compute={compute} input="B" />);
      expect(Scheduler).toFlushAndYield(['compute B', 'B']);
    });
  });
  describe('useRef', () => {
    it('creates a ref object initialized with the provided value', () => {
      jest.useFakeTimers();
      function useDebouncedCallback(callback, ms, inputs) {