e2e-tests: Check That Authenticated User Does Not Match Requested User test fails due to OCR mismatch

### Is there an existing issue for this?

- [x] I have searched the existing issues and found none that matched mine

### Describe the issue

OCR struggle to match text string: 'waiting for 'Authentication failure: requested username "different_user" does not match the authenticated username'.
As happened here https://authd-e2e-test-logs.adrian-dombeck.workers.dev/pr-1813/run-32388160639-2/noble-authd-msentraid/log.html#s1-s10
Test is working correctly but ends up in failure due to OCR mismatch

### Steps to reproduce

### System information and logs

_No response_

### Double check your logs

- [x] I have redacted any sensitive information from the logs