[Flaky e2e test] Stateful set integration when Single CQ should admit group that fits

[mbobrovskyi]

/kind flake

What happened:

End To End Suite: kindest/node:v1.28.9: [It] Stateful set integration when Single CQ should admit group that fits expand_less | 18s

{Timed out after 5.001s.
The matcher passed to Eventually returned the following error:
    <*errors.errorString | 0xc0006e22b0>: 
    NotFoundError expects an error
    {
        s: "NotFoundError expects an error",
    } failed [FAILED] Timed out after 5.001s.
The matcher passed to Eventually returned the following error:
    <*errors.errorString | 0xc0006e22b0>: 
    NotFoundError expects an error
    {
        s: "NotFoundError expects an error",
    }
In [It] at: /home/prow/go/src/sigs.k8s.io/kueue/test/e2e/singlecluster/statefulset_test.go:130 @ 10/24/24 16:04:52.823
}

What you expected to happen: no flakes

How to reproduce it (as minimally and precisely as possible): https://prow.k8s.io/view/gs/kubernetes-ci-logs/pr-logs/pull/kubernetes-sigs_kueue/3305/pull-kueue-test-e2e-main-1-28/1849479995282427904

Anything else we need to know?:

Environment:

• Kubernetes version (use kubectl version):
• Kueue version (use git describe --tags --dirty --always):
• Cloud provider or hardware configuration:
• OS (e.g: cat /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others: