Before reporting an issue

[x] I have read and understood the above terms for submitting issues, and I understand that my issue may be closed without action if I do not follow them.

Area

testsuite

Describe the bug

There's an issue with ci.yml in 26.5 release branch:

<img width="1666" height="297" alt="Image" src="https://github.com/user-attachments/assets/36bf462e-8e61-4fcf-8740-f1e73f39598e" />

This is causing the Status check to fail on mixed-cluster-compatibility-tests: failure

For last failing run see https://github.com/keycloak/keycloak/actions/runs/21281902860/job/61259485821

Version

26.5.x

Regression

[x] The issue is a regression

Expected behavior

Tests pass

Actual behavior

Tests are reported as failed, even though there are no actual failing tests.

How to Reproduce?

Run ci.yaml against release/26.5 branch

Anything else?

No response