code: def test_load_read():
      # Arrange
      with Image.open(TEST_FILE) as im:
          dummy_bytes = 1
  
          # Act
          data = im.load_read(dummy_bytes)
  
      # Assert
      assert len(data) == 16384
  
imports: import pytest
  from PIL import Image, XpmImagePlugin
  from .helper import assert_image_similar, hopper
label_desc: Use image node_id 3 for calling a global function with example usage: test_load_read() without return types