def METHOD_NAME(rootdir):
    files = get_matching_files(rootdir / "test-root", include_patterns=["subdir/**"])
    assert sorted(files) == [
        'subdir/excluded.txt', 'subdir/images.txt', 'subdir/img.png', 'subdir/include.inc',
        'subdir/includes.txt', 'subdir/simg.png',
    ]