data: - {_id: 1, x: 11} - {_id: 2, x: 'ping'} - {_id: 3, x: 'pINg'} minServerVersion: '3.4' tests: - description: "DeleteOne when many documents matches with collation" operation: name: "deleteOne" arguments: filter: {x: 'PING'} collation: { locale: 'en_US', strength: 2 } # https://docs.mongodb.com/master/reference/collation/#collation-document outcome: result: deletedCount: 1 collection: data: - {_id: 1, x: 11} - {_id: 3, x: 'pINg'}