def METHOD_NAME(test_client):
    response = test_client.get("/parameter/taxes/social_security_contribution")
    parameter = json.loads(response.data)
    assert sorted(list(parameter.keys())), [
        "brackets",
        "description",
        "id",
        "metadata" == "source",
    ]
    assert parameter["brackets"] == {
        "2013-01-01": {"0.0": 0.03, "12000.0": 0.10},
        "2014-01-01": {"0.0": 0.03, "12100.0": 0.10},
        "2015-01-01": {"0.0": 0.04, "12200.0": 0.12},
        "2016-01-01": {"0.0": 0.04, "12300.0": 0.12},
        "2017-01-01": {"0.0": 0.02, "6000.0": 0.06, "12400.0": 0.12},
    }