Backend websocket connection getting closed with code: 1006 with 2.2.0-with-browser build #6434

Brief summary

Backend websocket connection getting closed with code: 1006 with 2.2.0-with-browser build. UI tests for same application works good with previous release 1.3.0-with-browser.

state=CLOSED msgs=0 event={'ev': 'error', 'at': 9} event={'ev': 'close', 'at': 10, 'code': 1006, 'reason': ''} CLOSED msgs=0 error@9-70ms → close@9-71ms code=1006 reason=“” console: matched=2 seen=54 → [“[error] Socket disconnected.”, …]

k6 version

2.2.0-with-browser

OS

Linux - k8s pod in AWS EKS

Docker version and image (if applicable)

2.2.0-with-browser

Steps to reproduce the problem

Use k6 build - 2.2.0-with-browser to test web application with backend websocket service.
Deploy in AWS EKS with linux node pool.

Expected behaviour

websocket connection should not get closed.

Actual behaviour

Getting code 1006, websocket connection getting closed.