def METHOD_NAME(self, _init_pygame, _display_surface_return_none):
    cache = SurfaceCache()
    cache.add_surface_to_cache(pygame.Surface((64, 64)), 'doop')
    assert isinstance(cache.find_surface_in_cache('doop'), pygame.Surface)
    cache.update()
    assert isinstance(cache.find_surface_in_cache('doop'), pygame.Surface)
    assert cache.find_surface_in_cache('derp') is None