{
  "cases": [
    {
      "id": "below_threshold",
      "amount": 90,
      "date": "2026-10-24",
      "gift_card": false,
      "expected_discount": 0
    },
    {
      "id": "at_threshold",
      "amount": 100,
      "date": "2026-10-24",
      "gift_card": false,
      "expected_discount": 10
    },
    {
      "id": "expired",
      "amount": 150,
      "date": "2026-11-01",
      "gift_card": false,
      "expected_discount": 0
    },
    {
      "id": "gift_card",
      "amount": 150,
      "date": "2026-10-24",
      "gift_card": true,
      "expected_discount": 0
    }
  ]
}