def test_filter_chapters(self):
soup = self.tla_scraper.get_toc_as_soup()
all_links = self.tla_scraper.get_links_from_soup(soup)
all_chapters = Scraper.links_to_chapters(all_links)
filtered_chapters = self.tla_scraper.filter_chapters(all_chapters)
self.assertIsNotNone(filtered_chapters)
self.assertEqual(48, len(filtered_chapters))
