def METHOD_NAME(self):
    """Test a user that has an empty string group, which should be ignored."""
    req, info = self._generate_req_info(self.app_settings['openid.provider'])
    remember_me(None, req, info)
    # Pretend the user has been removed from the releng group
    info['groups'] = ['releng', '', 'new_group']
    req.session = {'came_from': '/'}
    remember_me(None, req, info)
    user = models.User.get('lmacken')
    assert [g.name for g in user.groups] == ['releng', 'new_group']