{
  "description": "Every page has at least one diagnostic",
  "expected_diagnostics": [
    {
      "code": "STRUCT_MISSING_KEY",
      "min_count": 1,
      "description": "Page 1 missing MediaBox"
    },
    {
      "code": "STRUCT_INVALID_NAME",
      "min_count": 1,
      "description": "Page 2 has invalid name in resources"
    },
    {
      "code": "CIRCULAR_REFERENCE",
      "min_count": 1,
      "description": "Page 3 has circular reference"
    }
  ],
  "expected_pages": "3",
  "expected_behavior": "all pages extracted, ~3 diagnostics"
}