{
  "checks": [{
    "name": "unit tests", "run": ["python3", "example/test_prices.py", "-q"],
    "breaks": [{
      "name": "total: multiply -> add",
      "file": "example/src/prices.py",
      "replace": "item[\"price\"] * item[\"quantity\"]",
      "with": "item[\"price\"] + item[\"quantity\"]",
      "expect": "assert|Error"
    }]
  }]
}