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.
hasContext = false;
  }
  prepareToReadContext(workInProgress, renderExpirationTime);
  const instance = workInProgress.stateNode;
  let shouldUpdate;
  if (instance === null) {
    if (current !== null) {
      
      
      
      
      current.alternate = null;
      workInProgress.alternate = null;
      
      workInProgress.effectTag |= Placement;
    }
    
    constructClassInstance(workInProgress, Component, nextProps);
    mountClassInstance(
      workInProgress,
      Component,
      nextProps,
      renderExpirationTime,
    );
    shouldUpdate = true;
  } else if (current === null) {
    
    shouldUpdate = resumeMountClassInstance(
      workInProgress,
      Component,