def test_next_rate_remains_constant_if_followed(self, monkeypatch):
        """
        If a client follows the recommended next request rate,
        the throttling rate should stay constant.
        """
        self.ensure_response_header_contains_proper_throttle_field(
            "throttle_user_3_min",
            monkeypatch,
            User3MinRateThrottle,
            expected_headers=(
                (0, None),
                (20, None),
                (40, None),
                (60, None),
                (80, None),
            ),
        )

        If a client follows the recommended next request rate,
        the throttling rate should stay constant.
        
tests/test_throthling/test_decorator.py