Disable --remove-background so we can remove leptonica

tests/test_image_input.py

@@ -74,6 +74,7 @@ def test_img2pdf_fails(resources, no_outpdf):
         mock.assert_called()
 
 
+@pytest.mark.xfail(reason="remove background disabled")
 def test_jpeg_in_jpeg_out(resources, outpdf):
     check_ocrmypdf(
         resources / 'congress.jpg',

tests/test_main.py

@@ -165,7 +165,6 @@ def test_maximum_options(renderer, output_type, resources, outpdf):
         '-k',
         '--oversample',
         '300',
-        '--remove-background',
         '--skip-big',
         '10',
         '--title',
@@ -533,7 +532,7 @@ def test_pagesize_consistency(renderer, resources, outpdf):
         renderer,
         '--clean' if have_unpaper() else None,
         '--deskew',
-        '--remove-background',
+        # '--remove-background',
         '--clean-final' if have_unpaper() else None,
         '-k',
         '--pages',

tests/test_preprocessing.py

@@ -41,6 +41,7 @@ def test_deskew(resources, outdir):
     assert -0.5 < skew_angle < 0.5, "Deskewing failed"
 
 
+@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: