code: def test_mp():
      for test_file in test_files:
          with Image.open(test_file) as im:
              mpinfo = im._getmp()
              assert mpinfo[45056] == b"0100"
              assert mpinfo[45057] == 2
  
imports: from io import BytesIO
  import pytest
  from PIL import Image
  from .helper import assert_image_similar, is_pypy, skip_unless_feature
label_desc: Use image node_id 11 for calling a global function with example usage: test_mp() without return types