def METHOD_NAME(oauth_client, response):
    response.get(f"https://api.mollie.com/v2/settlements/{SETTLEMENT_ID}", "settlement_single")
    response.get(f"https://api.mollie.com/v2/invoices/{INVOICE_ID}", "invoice_single")
    settlement = oauth_client.settlements.get(SETTLEMENT_ID)
    invoice = settlement.get_invoice()
    assert isinstance(invoice, Invoice)
    assert invoice.id == INVOICE_ID