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.
workInProgress.tag = ClassComponent;
  
  
  
  
  let hasContext;
  if (isLegacyContextProvider(Component)) {
    hasContext = true;
    pushLegacyContextProvider(workInProgress);
  } else {
    hasContext = false;
  }
  prepareToReadContext(workInProgress, renderExpirationTime);
  constructClassInstance(workInProgress, Component, nextProps);
  mountClassInstance(
    workInProgress,
    Component,
    nextProps,
    renderExpirationTime,
  );
  return finishClassComponent(
    null,
    workInProgress,
    Component,
    true,
    hasContext,
    renderExpirationTime,
  );
}
function mountIndeterminateComponent(