[flaky test ] Kuberay Should run a rayjob with InTreeAutoscaling [area:singlecluster, feature:kuberay]

[mimowo]

Which test is flaking?:

Kuberay Should run a rayjob with InTreeAutoscaling [area:singlecluster, feature:kuberay]

Link to failed CI job or steps to reproduce locally:

https://testgrid.k8s.io/sig-scheduling#periodic-kueue-test-e2e-k8s-main-was

Failure message or logs:

End To End Suite: k8s-main:latest: [It] Kuberay Should run a rayjob with InTreeAutoscaling [area:singlecluster, feature:kuberay] expand_less	9m31s
{Timed out after 300.000s.
The function passed to Eventually failed at /home/prow/go/src/kubernetes-sigs/kueue/test/e2e/singlecluster/kuberay_test.go:340 with:
Expected exactly 1 pods with 'workers' in the name
Expected
    <[]string | len:0, cap:0>: nil
to have length 1 failed [FAILED] Timed out after 300.000s.
The function passed to Eventually failed at /home/prow/go/src/kubernetes-sigs/kueue/test/e2e/singlecluster/kuberay_test.go:340 with:
Expected exactly 1 pods with 'workers' in the name
Expected
    <[]string | len:0, cap:0>: nil
to have length 1
In [It] at: /home/prow/go/src/kubernetes-sigs/kueue/test/e2e/singlecluster/kuberay_test.go:345 @ 02/09/26 11:50:55.211
}

Anything else we need to know?:

[mimowo]

cc @hiboyang ptal

[mimowo]

maybe @sohankunkerkar or @mbobrovskyi would also have some ideas