data: - {_id: 1, x: 11} - {_id: 2, x: 22} - {_id: 3, x: 33} tests: - description: "Aggregate with multiple stages" operation: name: aggregate arguments: pipeline: - $sort: {x: 1} - $match: _id: {$gt: 1} batchSize: 2 outcome: result: - {_id: 2, x: 22} - {_id: 3, x: 33}