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.
}
    act(() => {
      ReactNoop.render(<App />);
      expect(Scheduler).toFlushAndYield([
        'Render: -1',
        'Effect: 1',
        'Reducer: 1',
        'Reducer: 1',
        'Render: 1',
      ]);
      expect(ReactNoop).toMatchRenderedOutput('1');
    });
    act(() => {
      setCounter(2);
    });
    expect(Scheduler).toHaveYielded([
      'Render: 1',
      'Effect: 2',
      'Reducer: 2',
      'Reducer: 2',
      'Render: 2',
    ]);
    expect(ReactNoop).toMatchRenderedOutput('2');
  });
  
  
  it('state bail out edge case (#16359)', async () => {
    let setCounterA;
    let setCounterB;
    function CounterA() {