{
  "schema": 1,
  "name": "another-document",
  "steps": [
    {
      "event": {
        "op": "begin"
      },
      "expect": {
        "editing": true,
        "vertical": [
          10,
          20
        ],
        "history": 2,
        "editCommands": 0,
        "preview": {
          "vertical": [
            10,
            20
          ]
        }
      }
    },
    {
      "event": {
        "op": "set",
        "field": "position",
        "value": "30 px"
      },
      "expect": {
        "preview": {
          "vertical": [
            30,
            20
          ]
        }
      }
    },
    {
      "event": {
        "op": "other_document"
      },
      "expect": {
        "vertical": [
          10
        ],
        "preview": null,
        "invalid": true
      }
    },
    {
      "event": {
        "op": "confirm"
      },
      "expect": {
        "rejected": true,
        "vertical": [
          10
        ],
        "history": 1,
        "editCommands": 0,
        "editing": false
      }
    }
  ]
}