code: def test_default_num_resolutions(num_resolutions):
      d = 1 << (num_resolutions - 1)
      im = test_card.resize((d - 1, d - 1))
      with pytest.raises(OSError):
          roundtrip(im, num_resolutions=num_resolutions)
      reloaded = roundtrip(im)
      assert_image_equal(im, reloaded)
  
imports: from __future__ import annotations
  import os
  import re
  from io import BytesIO
  import pytest
  from PIL import Image, ImageFile, Jpeg2KImagePlugin, UnidentifiedImageError, _binary, features
  from .helper import assert_image_equal, assert_image_similar, assert_image_similar_tofile, skip_unless_feature, skip_unless_feature_version
label_desc: Use image node_id 16 for calling a global function with example usage: test_default_num_resolutions(num_resolutions) without return types