Repro: https://codesandbox.io/s/fast-water-4i4jb

Notice the flash. I'd expect `suspended` to be `true` during the high pri render.
const [text, _setText] = useState('A');
        setText = _setText;
        return <AsyncText text={text} />;
      }
      
      await resolveText('A');
      await ReactNoop.act(async () => {
        root.render(<Parent />);
      });
      expect(Scheduler).toHaveYielded(['A']);
      
      expect(root).toMatchRenderedOutput(<span prop="A" />);
      
      await resolveText('B');
      await ReactNoop.act(async () => {
        setText('B');
      });
      expect(Scheduler).toHaveYielded(['B']);
      
      expect(root).toMatchRenderedOutput(<span prop="B" />);
      
      await ReactNoop.act(async () => {