Waiting too long socket to disconnect in summaries.e2e test

[noobj]

How do I disconnect the socket client properly and faster?

socket.on('sync', (data) => {
expect(data).toBeDefined();
socket.disconnect();
done();
});

[noobj]

The socket.io client proved to cause the problem

[noobj]

Updated the jest version and run it with --detectOpenHandles, it shows that it stuck at
const socket = io('ws://localhost:3333', opts);