code: def test_antialiasing():
      """Test case for all images.
  
      Will generate all test cases, then load all test cases from disk and
      compare them with each other
  
      """
      images = generate_test_images()
      loaded = load_test_images(images)
      print(list(loaded.keys()))
      for description in images.keys():
          assert (images[description] == loaded[description]).all()
  
imports: import os
  import xarray
  import datashader
  import pandas
  import numpy
  import pytest
label_desc: Use image node_id 18 for calling a global function with example usage: test_antialiasing() without return types