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.
}
        }
      }
    }
     
     
    if (nextDidTimeout) {
       
      const nextFallbackChildren = nextProps.fallback;
      const primaryChildFragment = createFiberFromFragment(
        null,
        mode,
        NoWork,
        null,
      );
      primaryChildFragment.return = workInProgress;
      if ((workInProgress.mode & BlockingMode) === NoMode) {
         
         
        const progressedState: SuspenseState = workInProgress.memoizedState;
        const progressedPrimaryChild: Fiber | null =
          progressedState !== null
            ? (workInProgress.child: any).child
            : (workInProgress.child: any);
        primaryChildFragment.child = progressedPrimaryChild;
        let progressedChild = progressedPrimaryChild;
        while (progressedChild !== null) {
          progressedChild.return = primaryChildFragment;
          progressedChild = progressedChild.sibling;
        }