'Test a11y of the page\'s empty state.'

def test_empty_a11y(self):

    self.auth(enroll=False)
    self.stub_catalog_api(programs=[self.program])
    self.cache_programs()
    self.listing_page.visit()
    self.assertTrue(self.listing_page.is_sidebar_present)
    self.assertFalse(self.listing_page.are_cards_present)
    self.listing_page.a11y_audit.check_for_accessibility_errors()
