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.
expect(Scheduler).toHaveYielded(['Mount']);
      expect(root).toMatchRenderedOutput('Child');
      
      await ReactNoop.act(async () => {
        setShouldSuspend(true);
      });
      expect(root).toMatchRenderedOutput('Loading...');
      
      await ReactNoop.act(async () => {
        root.render(null);
      });
      expect(Scheduler).toHaveYielded(['Unmount']);
    });
  });
  it('does not call lifecycles of a suspended component', async () => {
    class TextWithLifecycle extends React.Component {
      componentDidMount() {
        Scheduler.unstable_yieldValue(`Mount [${this.props.text}]`);
      }
      componentDidUpdate() {
        Scheduler.unstable_yieldValue(`Update [${this.props.text}]`);
      }
      componentWillUnmount() {
        Scheduler.unstable_yieldValue(`Unmount [${this.props.text}]`);
      }
      render() {
        return <Text {...this.props} />;
      }
    }
    class AsyncTextWithLifecycle extends React.Component {