def METHOD_NAME(client, response):
    """Get a single chargeback relevant to a payment."""
    response.get(f"https://api.mollie.com/v2/payments/{PAYMENT_ID}", "payment_single")
    response.get(f"https://api.mollie.com/v2/payments/{PAYMENT_ID}/chargebacks/{CHARGEBACK_ID}", "chargeback_single")
    payment = client.payments.get(PAYMENT_ID)
    chargeback = payment.chargebacks.get(CHARGEBACK_ID)
    assert isinstance(chargeback, Chargeback)
    assert chargeback.id == CHARGEBACK_ID
    assert chargeback.amount == {"currency": "USD", "value": "43.38"}
    assert chargeback.settlement_amount == {"currency": "EUR", "value": "-35.07"}
    assert chargeback.created_at == "2018-03-14T17:00:52.0Z"
    assert chargeback.reason is None
    assert chargeback.reversed_at == "2018-03-14T17:00:55.0Z"
    assert chargeback.payment_id == PAYMENT_ID
    assert chargeback.settlement_id == SETTLEMENT_ID