code: def test_closed_file(self):
      with pytest.warns(None) as record:
          im = Image.open("Tests/images/multipage.tiff")
          im.load()
          im.close()
  
      assert not record
  
imports: import os
  from io import BytesIO
  import pytest
  from PIL import Image, ImageFile, TiffImagePlugin
  from PIL.TiffImagePlugin import RESOLUTION_UNIT, X_RESOLUTION, Y_RESOLUTION
  from .helper import assert_image_equal, assert_image_equal_tofile, assert_image_similar, assert_image_similar_tofile, hopper, is_pypy, is_win32
label_desc: Use image node_id 3 for calling the TestFileTiff obj's underlying member method code with example usage: obj.test_closed_file() without return types