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.
const primaryChild = reconcileChildFibers(
          workInProgress,
          currentPrimaryChild,
          nextPrimaryChildren,
          renderExpirationTime,
        );
         
         
         
         
         
         
        workInProgress.memoizedState = null;
        return (workInProgress.child = primaryChild);
      }
    } else {
       
       
      const currentPrimaryChild = current.child;
      if (nextDidTimeout) {
         
         
        const nextFallbackChildren = nextProps.fallback;
        const primaryChildFragment = createFiberFromFragment(
           
           
          null,
          mode,
          NoWork,
          null,