async def METHOD_NAME(laddergame, players):
    laddergame.state = GameState.LOBBY
    laddergame.host = players.hosting
    await laddergame.check_game_finish(players.hosting)
    e1 = laddergame._hosted_future.exception()
    assert isinstance(e1, GameClosedError)
    assert e1.player == players.hosting
    e2 = laddergame._launch_future.exception()
    assert isinstance(e2, GameClosedError)
    assert e2.player == players.hosting