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 [count, updateCount] = useState(() => {
          Scheduler.unstable_yieldValue('getInitialState');
          return props.initialState;
        });
        useImperativeHandle(ref, () => ({updateCount}));
        return <Text text={'Count: ' + count} />;
      }
      Counter = forwardRef(Counter);
      const counter = React.createRef(null);
      ReactNoop.render(<Counter initialState={42} ref={counter} />);
      expect(Scheduler).toFlushAndYield(['getInitialState', 'Count: 42']);
      expect(ReactNoop.getChildren()).toEqual([span('Count: 42')]);
      act(() => counter.current.updateCount(7));
      expect(Scheduler).toHaveYielded(['Count: 7']);
      expect(ReactNoop.getChildren()).toEqual([span('Count: 7')]);
    });
    it('multiple states', () => {
      function Counter(props, ref) {