code: def test_matrix_xyz(mode):
      # Arrange
      im = hopper("RGB")
      im.info["transparency"] = (255, 0, 0)
      # fmt: off
      matrix = (
          0.412453, 0.357580, 0.180423, 0,
          0.212671, 0.715160, 0.072169, 0,
          0.019334, 0.119193, 0.950227, 0)
      # fmt: on
      assert im.mode == "RGB"
  
      # Act
      # Convert an RGB image to the CIE XYZ colour space
      converted_im = im.convert(mode=mode, matrix=matrix)
  
      # Assert
      assert converted_im.mode == mode
      assert converted_im.size == im.size
      with Image.open("Tests/images/hopper-XYZ.png") as target:
          if converted_im.mode == "RGB":
              assert_image_similar(converted_im, target, 3)
              assert converted_im.info["transparency"] == (105, 54, 4)
          else:
              assert_image_similar(
                  converted_im, target.getchannel(0), 1
              )
              assert converted_im.info["transparency"] == 105
  
imports: from __future__ import annotations
  import pytest
  from PIL import Image
  from .helper import assert_image, assert_image_equal, assert_image_similar, hopper
label_desc: Use image node_id 22 for calling a global function with example usage: test_matrix_xyz(mode) without return types