code: def test_black_and_white():
      with Image.open("Tests/images/black_and_white.ico") as im:
          assert im.mode == "RGBA"
          assert im.size == (16, 16)
  
file_path: pillow-simd/Tests/test_file_ico.py
imports: import io
  import pytest
  from PIL import IcoImagePlugin, Image, ImageDraw
  from .helper import assert_image_equal, assert_image_equal_tofile, hopper
label_desc: Use image node_id 3 for calling a global function with example usage: test_black_and_white() without return types