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.
return action === INCREMENT ? state + 1 : state;
      }
      function Counter(props, ref) {
        const [count, dispatch] = useReducer(reducer, 0);
        useImperativeHandle(ref, () => ({count, dispatch}));
        return <Text text={'Count: ' + count} />;
      }
      Counter = forwardRef(Counter);
      const counter = React.createRef(null);
      ReactNoop.render(<Counter ref={counter} />);
      expect(Scheduler).toFlushAndYield(['Count: 0']);
      expect(ReactNoop.getChildren()).toEqual([span('Count: 0')]);
      expect(counter.current.count).toBe(0);
      act(() => {
        counter.current.dispatch(INCREMENT);
      });
      expect(Scheduler).toHaveYielded(['Count: 1']);
      expect(ReactNoop.getChildren()).toEqual([span('Count: 1')]);
      expect(counter.current.count).toBe(1);
    });
    it('updates when deps are different', () => {
      const INCREMENT = 'INCREMENT';
      function reducer(state, action) {