> require('mongodb').connect('mongodb://localhost:27017/test').then(console.log, console.log)
Promise { <pending> }
> { MongoError: failed to connect to server [localhost:27017] on first connect
    at Pool.<anonymous> (D:\Dev\Gravit\magenta-backend\node_modules\mongodb-core\lib\topologies\server.js:326:35)
    at emitOne (events.js:96:13)
    at Pool.emit (events.js:188:7)
    at Connection.<anonymous> (D:\Dev\Gravit\magenta-backend\node_modules\mongodb-core\lib\connection\pool.js:272:12)
    at Connection.g (events.js:291:16)
    at emitTwo (events.js:106:13)
    at Connection.emit (events.js:191:7)
    at Socket.<anonymous> (D:\Dev\Gravit\magenta-backend\node_modules\mongodb-core\lib\connection\connection.js:175:49)
    at Socket.g (events.js:291:16)
    at emitOne (events.js:96:13)
  name: 'MongoError',
  message: 'failed to connect to server [localhost:27017] on first connect' }