{
  "data": [
    {
      "_id": 1,
      "x": 11
    },
    {
      "_id": 2,
      "x": 22
    }
  ],
  "collection_name": "default_write_concern_coll",
  "database_name": "default_write_concern_db",
  "runOn": [
    {
      "minServerVersion": "3.2"
    }
  ],
  "tests": [
    {
      "description": "findAndModify operations omit default write concern",
      "operations": [
        {
          "name": "findOneAndUpdate",
          "object": "collection",
          "collectionOptions": {
            "writeConcern": {}
          },
          "arguments": {
            "filter": {
              "_id": 1
            },
            "update": {
              "$set": {
                "x": 1
              }
            }
          }
        },
        {
          "name": "findOneAndReplace",
          "object": "collection",
          "collectionOptions": {
            "writeConcern": {}
          },
          "arguments": {
            "filter": {
              "_id": 2
            },
            "replacement": {
              "x": 2
            }
          }
        },
        {
          "name": "findOneAndDelete",
          "object": "collection",
          "collectionOptions": {
            "writeConcern": {}
          },
          "arguments": {
            "filter": {
              "_id": 2
            }
          }
        }
      ],
      "outcome": {
        "collection": {
          "name": "default_write_concern_coll",
          "data": [
            {
              "_id": 1,
              "x": 1
            }
          ]
        }
      },
      "expectations": [
        {
          "command_started_event": {
            "command": {
              "findAndModify": "default_write_concern_coll",
              "query": {
                "_id": 1
              },
              "update": {
                "$set": {
                  "x": 1
                }
              },
              "writeConcern": null
            }
          }
        },
        {
          "command_started_event": {
            "command": {
              "findAndModify": "default_write_concern_coll",
              "query": {
                "_id": 2
              },
              "update": {
                "x": 2
              },
              "writeConcern": null
            }
          }
        },
        {
          "command_started_event": {
            "command": {
              "findAndModify": "default_write_concern_coll",
              "query": {
                "_id": 2
              },
              "remove": true,
              "writeConcern": null
            }
          }
        }
      ]
    }
  ]
}