Test_getRR: Fix typo: "excepted" -> "expected"
openshift/cluster-ingress-operator#883: NE-1186: Test_getRR: Fix typo: "excepted" → "expected"
openshift/microshift#1483: **FAILURE** rebase-4.14.0-0.nightly-2023-03-08-194110_amd64-2023-03-08_arm64-2023-03-09
openshift/microshift#1493: **FAILURE** rebase-4.14.0-0.nightly-2023-03-08-194110_amd64-2023-03-08_arm64-2023-03-10
openshift/microshift#1499: rebase-4.14.0-0.nightly-2023-03-08-194110_amd64-2023-03-08_arm64-2023-03-14