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.
: resolveDefaultProps(Component, unresolvedProps);
      return mountIncompleteClassComponent(
        current,
        workInProgress,
        Component,
        resolvedProps,
        renderExpirationTime,
      );
    }
    case SuspenseListComponent: {
      return updateSuspenseListComponent(
        current,
        workInProgress,
        renderExpirationTime,
      );
    }
    case FundamentalComponent: {
      if (enableFundamentalAPI) {
        return updateFundamentalComponent(
          current,
          workInProgress,
          renderExpirationTime,
        );
      }
      break;
    }
    case ScopeComponent: {
      if (enableScopeAPI) {
        return updateScopeComponent(
          current,