https://codesandbox.io/s/upbeat-frost-3tt25

1. Press Suspend, see "Loading..."
2. Wait five seconds, you'll see "Happy birthday" at some point 
3. You won't see it again no matter how long you wait

Expected: you'll see it every five seconds.
'Suspend! [B]',
      'Loading B...',
    ]);
    expect(ReactNoop.getChildren()).toEqual([
      span('Loading A...'),
      span('Loading B...'),
    ]);
    
    
    
    ReactNoop.expire(5000);
    await advanceTimers(5000);
    expect(Scheduler).toHaveYielded(['Promise resolved [A]']);
    expect(Scheduler).toFlushAndYield(['A']);
    expect(ReactNoop.getChildren()).toEqual([span('A'), span('Loading B...')]);
    
    
    ReactNoop.expire(1000);
    await advanceTimers(1000);
    expect(Scheduler).toHaveYielded(['Promise resolved [B]']);
    expect(Scheduler).toFlushAndYield(['B']);
    expect(ReactNoop.getChildren()).toEqual([span('A'), span('B')]);
  });
  it('continues rendering siblings after suspending', async () => {
    
    ReactNoop.render(<Suspense fallback={<Text text="Loading..." />} />);
    expect(Scheduler).toFlushAndYield([]);
    
    ReactNoop.render(
      <Suspense fallback={<Text text="Loading..." />}>