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.
return (
        <SuspenseList revealOrder="forwards">
          {items.map(([key, Component]) => (
            <Suspense key={key} fallback={<Text text={'Loading ' + key} />}>
              <Component />
            </Suspense>
          ))}
        </SuspenseList>
      );
    }
    await B.resolve();
    await D.resolve();
    ReactNoop.render(
      <Foo
        items={[
          ['B', B],
          ['D', D],
        ]}
      />,
    );
    expect(Scheduler).toFlushAndYield(['B', 'D']);