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.
state = {show: false};
      render() {
        show = () => this.setState({show: true});
        return (
          <Suspense fallback="Loading...">
            {this.state.show && <AsyncText text="A" />}
          </Suspense>
        );
      }
    }
    await ReactNoop.act(async () => {
      ReactNoop.render(<App />);
    });
    
    await ReactNoop.act(async () => show(true));
    expect(Scheduler).toHaveYielded(['Suspend! [A]']);
    await resolveText('A');
    expect(Scheduler).toHaveYielded(['Promise resolved [A]']);
  });
  it('normal priority updates suspending do not warn for functional components', async () => {
    let _setShow;
    function App() {