{
  "tests": [
    {
      "description": "update: Delete alone",
      "comment": "If the input data consists solely of Deletes, then the update\noperation has no map, just an update mask.",
      "update": {
        "docRefPath": "projects/projectID/databases/(default)/documents/C/d",
        "jsonData": "{\"a\": \"Delete\"}",
        "request": {
          "database": "projects/projectID/databases/(default)",
          "writes": [
            {
              "update": {
                "name": "projects/projectID/databases/(default)/documents/C/d"
              },
              "updateMask": {
                "fieldPaths": [
                  "a"
                ]
              },
              "currentDocument": {
                "exists": true
              }
            }
          ]
        }
      }
    }
  ]
}