Remove public domain congress.jpg and replace with baiona_color.jpg

For reuse compliance we are phasing out public domain licenses

.reuse/dep5

@@ -52,7 +52,6 @@ Copyright: (C) 2012 SmokeyJoe
 License: GFDL-1.2-or-later or CC-BY-SA-3.0
 
 Files: tests/resources/c02-22.pdf
- tests/resources/congress.jpg
  tests/resources/multipage.pdf
 Copyright: Public domain
 License: public-domain

tests/resources/README.rst

@@ -19,9 +19,6 @@ the copyright holder(s) and license(s) applicable to these resources.
     *   - c02-22.pdf
         - `Project Gutenberg`_, Adventures of Huckleberry Finn, page 22
         - difficult OCR image (obscure fonts and illustrations)
-    *   - congress.jpg
-        - `US Congressional Records`_
-        - difficult OCR image (color background)
     *   - graph.pdf
         - `Wikimedia:Simple_line_graph_of_ACE_2012_results_by_candidate_sj01.png`_
         - image with slanted text
@@ -125,8 +122,6 @@ These test resources are assemblies or derivatives from other previously mention
 
 .. _`Project Gutenberg`: https://www.gutenberg.org/files/76/76-h/76-h.htm#c2
 
-.. _`US Congressional Records`: http://www.baxleystamps.com/litho/meiji/courts_1871.jpg
-
 .. _`Wikimedia: Simple_line_graph_of_ACE_2012_results_by_candidate_sj01.png`: https://en.wikipedia.org/wiki/File:Simple_line_graph_of_ACE_2012_results_by_candidate_sj01.png
 
 .. _`Wikimedia: JPEG2000 Lichtenstein`: https://en.wikipedia.org/wiki/JPEG_2000#/media/File:Jpeg2000_2-level_wavelet_transform-lichtenstein.png

tests/test_image_input.py

@@ -75,7 +75,7 @@ def test_img2pdf_fails(resources, no_outpdf):
 @pytest.mark.xfail(reason="remove background disabled")
 def test_jpeg_in_jpeg_out(resources, outpdf):
     check_ocrmypdf(
-        resources / 'congress.jpg',
+        resources / 'baiona_color.jpg',
         outpdf,
         '--image-dpi',
         '100',

tests/test_main.py

@@ -623,7 +623,7 @@ def test_no_contents(resources, outpdf):
 
 
 @pytest.mark.parametrize(
-    'image', ['baiona.png', 'baiona_gray.png', 'baiona_alpha.png', 'congress.jpg']
+    'image', ['baiona.png', 'baiona_gray.png', 'baiona_alpha.png', 'baiona_color.jpg']
 )
 def test_compression_preserved(ocrmypdf_exec, resources, image, outpdf):
     input_file = str(resources / image)
@@ -679,7 +679,7 @@ def test_compression_preserved(ocrmypdf_exec, resources, image, outpdf):
     [
         ('baiona.png', 'jpeg'),
         ('baiona_gray.png', 'lossless'),
-        ('congress.jpg', 'lossless'),
+        ('baiona_color.jpg', 'lossless'),
     ],
 )
 def test_compression_changed(ocrmypdf_exec, resources, image, compression, outpdf):

tests/test_preprocessing.py

@@ -46,11 +46,11 @@ def test_deskew_blank_page(resources, outpdf):
 @pytest.mark.xfail(reason="remove background disabled")
 def test_remove_background(resources, outdir):
     # Ensure the input image does not contain pure white/black
-    with Image.open(resources / 'congress.jpg') as im:
+    with Image.open(resources / 'baiona_color.jpg') as im:
         assert im.getextrema() != ((0, 255), (0, 255), (0, 255))
 
     output_pdf = check_ocrmypdf(
-        resources / 'congress.jpg',
+        resources / 'baiona_color.jpg',
         outdir / 'test_remove_bg.pdf',
         '--remove-background',
         '--image-dpi',