def test_type(self):
        rset = event.ResultSet()
        with pytest.raises(NotImplementedError):
            rset.extend([])
        with pytest.raises(NotImplementedError):
            rset.extend(False)
def step_impl(context, rel_url):
    context.request = LazyRequest(
        'GET', context.helpers.url(rel_url), context.token)