'Test getting the editing HTML for each vertical.'

def check_verticals(self, items):

    self.assertGreater(len(items), 0, 'Course    has    no    verticals    (units)    to    check')
    for descriptor in items:
        resp = self.client.get_html(get_url('container_handler', descriptor.location))
        self.assertEqual(resp.status_code, 200)
