code: def wrap_launch_function(fn, strategy, *args, **kwargs):
      # the launcher does not manage this automatically. explanation available in:
      # https://github.com/Lightning-AI/lightning/pull/14926#discussion_r982976718
      strategy.setup_environment()
      return fn(*args, **kwargs)
  
imports: import os
  from functools import partial
  from unittest import mock
  import pytest
  import torch
  from lightning.pytorch import Trainer
  from lightning.pytorch.accelerators import XLAAccelerator
  from lightning.pytorch.callbacks import EarlyStopping
  from lightning.pytorch.demos.boring_classes import BoringModel, RandomDataset
  from lightning.pytorch.strategies import XLAStrategy
  from lightning.pytorch.strategies.launchers.xla import _XLALauncher
  from lightning.pytorch.trainer.connectors.logger_connector.result import _Sync
  from lightning.pytorch.utilities.exceptions import MisconfigurationException
  from torch.utils.data import DataLoader
  import tests_pytorch.helpers.pipelines
  from tests_pytorch.helpers.runif import RunIf
label_desc: Use image node_id 15 for calling a global function with example usage: wrap_launch_function(fn, strategy) and returns: fn