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

Notice the flash. I'd expect `suspended` to be `true` during the high pri render.
]);
    await resolveText('B2');
    expect(Scheduler).toHaveYielded(['Promise resolved [B2]']);
    if (
      ReactFeatureFlags.deferPassiveEffectCleanupDuringUnmount &&
      ReactFeatureFlags.runAllPassiveEffectDestroysBeforeCreates
    ) {
      expect(Scheduler).toFlushAndYield([
        'B2',
        'Destroy Layout Effect [Loading...]',
        'Destroy Layout Effect [B]',
        'Layout Effect [B2]',
        'Destroy Effect [Loading...]',
        'Destroy Effect [B]',
        'Effect [B2]',
      ]);
    } else {
      expect(Scheduler).toFlushAndYield([
        'B2',
        'Destroy Layout Effect [Loading...]',
        'Destroy Effect [Loading...]',
        'Destroy Layout Effect [B]',
        'Layout Effect [B2]',
        'Destroy Effect [B]',
        'Effect [B2]',
      ]);
    }
  });
  it('suspends for longer if something took a long (CPU bound) time to render', async () => {
    function Foo({renderContent}) {