def METHOD_NAME(self):
    featured_authors = self.landing_page.featured_authors.all()
    self.assertEqual(len(featured_authors), 0)
    featured_author = relations_factory.ResearchLandingPageFeaturedAuthorsRelationFactory.create(
        landing_page=self.landing_page
    )
    featured_authors = self.landing_page.featured_authors.all()
    self.assertEqual(len(featured_authors), 1)
    self.assertEqual(featured_authors[0], featured_author)