code: def test_add_scale_offset():
      # Arrange
      with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1:
          with Image.open(
              "Tests/images/imagedraw_floodfill_RGB.png"
          ) as im2:
              # Act
              new = ImageChops.add(im1, im2, scale=2.5, offset=100)
  
      # Assert
      assert new.getbbox() == (0, 0, 100, 100)
      assert new.getpixel((50, 50)) == (202, 151, 100)
  
imports: from PIL import Image, ImageChops
  from .helper import assert_image_equal, hopper
label_desc: Use image node_id 3 for calling a global function with example usage: test_add_scale_offset() without return types