{
  "id": "generic-fallback-basic",
  "ruleId": "generic/fallback",
  "input": {
    "toolName": "exec",
    "command": "custom-tool check",
    "combinedText": "custom line one\ncustom line two\n",
    "exitCode": 0
  },
  "expect": {
    "matchedReducer": "generic/fallback",
    "family": "generic",
    "contains": ["custom line one"]
  }
}