{
  "name": "Ошибка: группировки пересекаются частично",
  "input": {
    "columns": 2,
    "areas": [{ "rows": [["a"], ["b"], ["c"], ["d"]] }],
    "rowGroups": [{ "rows": "1-3" }, { "rows": "2-4" }]
  },
  "params": { "outputPath": "Template.xml" },
  "expectError": "rowGroups: ranges must nest or be disjoint, got a partial overlap (1-3 and 2-4)"
}