Jest detects open handles when disconnecting a MongoDB datasource

Describe the bug

When closing a connection to a MongoDB database, Jest reports that there are still open handles.

Packages

"dependencies": {
    "@loopback/repository": "^5.1.4",
    "loopback-connector-mongodb": "^6.2.0"
  },
  "devDependencies": {
    "jest": "^29.5.0"
  }

Test example

const {juggler} = require("@loopback/repository");

describe('Should close without open handles', () => {

    let datasource;

    beforeAll(async () => {
        datasource = new juggler.DataSource({
            name: "mongo",
            connector: "mongodb",
            url: "",
            host: "127.0.0.1",
            port: 27017,
            user: "",
            password: "",
            database: "customers",
            useNewUrlParser: true,
            authSource: "admin",
        })

        await datasource.connect();
    });

    afterAll(async () => {
        await datasource.disconnect();
        await datasource.stop();
    });

    it('Handles are still open', () => {
        expect(true).toBe(true);
    });
});

This does not happen with a memory data store (as I assume there is no actual connection).

Expectation

The test completes without any errors/warnings

Reality

Jest complains that there are still open handles

Jest has detected the following 1 open handle potentially keeping Jest from exiting:

  ●  TCPWRAP

       6 |
       7 |     beforeAll(async () => {
    >  8 |         datasource = new juggler.DataSource({
         |                      ^
       9 |             name: "mongo",
      10 |             connector: "mongodb",
      11 |             url: "",

      at makeConnection (node_modules/mongodb/lib/core/connection/connect.js:310:20)
          at Array.reduce (<anonymous>)
      at Object.<anonymous> (__tests__/example.test.js:8:22)

Repository with minimal reproducible error

https://github.com/MattLishmanCtM/lb-connection-error

Node version: v18.12.0
OS: MacOS Ventura

Is there something I am missing about this?
Is there some other form of disconnecting/stopping that I should be doing?

I realise the officially supported package for LoopBack as a whole is Mocha but I need to use the repository package as a standalone with Jest.

Logs

No response

Additional information

No response

Reproduction

https://github.com/MattLishmanCtM/lb-connection-error

Beginnen Sie mit der minimalen Reproduktion und tests/example.test.js und untersuchen Sie anschließend den in diesem Test verwendeten Lifecycle von datasource.connect(), disconnect() und stop(). Führen Sie den Jest-Lauf mit der MongoDB-Datenquelle erneut aus und überprüfen Sie, dass der Test ohne die gemeldete TCPWRAP-Warnung zu offenen Handles beendet wird.