code: def test_exif_save(self, tmp_path):
      with Image.open("Tests/images/exif.png") as im:
          test_file = str(tmp_path / "temp.png")
          im.save(test_file)
  
      with Image.open(test_file) as reloaded:
          exif = reloaded._getexif()
      assert exif[274] == 1
  
imports: import re
  import sys
  import zlib
  from io import BytesIO
  import pytest
  from PIL import Image, ImageFile, PngImagePlugin, features
  from .helper import PillowLeakTestCase, assert_image, assert_image_equal, assert_image_equal_tofile, hopper, is_win32, mark_if_feature_version, skip_unless_feature
label_desc: Use image node_id 46 for calling the TestFilePng obj's underlying member method code with example usage: obj.test_exif_save(tmp_path) without return types