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

Notice the flash. I'd expect `suspended` to be `true` during the high pri render.
setText('C');
          },
        );
      });
      expect(Scheduler).toHaveYielded([
        
        'Suspend! [B]',
        'Loading...',
      ]);
      
      await advanceTimers(250);
      expect(root).toMatchRenderedOutput(
        <>
          <span hidden={true} prop="A" />
          <span prop="Loading..." />
        </>,
      );
      
      expect(Scheduler).toFlushAndYield(['C']);
      expect(root).toMatchRenderedOutput(<span prop="C" />);
    },
  );
  it(
    'fallback component can update itself even after a high pri update to ' +
      'the primary tree suspends',
    async () => {
      const {useState} = React;
      const root = ReactNoop.createRoot();
      let setAppText;
      function App() {