def METHOD_NAME(client, response):
    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)
    related_payment = chargeback.get_payment()
    assert isinstance(related_payment, Payment)
    assert related_payment.id == payment.id == PAYMENT_ID