'Tests when relative link to a media if non-existant'

def test_non_existant_media_import(self):

    self._create_set()
    self._update_json('event', 'background_image', '/non.png')
    data = self._make_zip_from_dir()
    event_dic = self._do_succesful_import(data)
    self.assertEqual(event_dic['background_image'], None)
