[k8s.io] SchedulerPredicates [Serial] validates that NodeSelector is respected if not matching [Conformance] [Suite:openshift/conformance/serial] [Suite:k8s] 10m9s

[tnozicka]

https://openshift-gce-devel.appspot.com/build/origin-ci-test/pr-logs/pull/17599/test_pull_request_origin_extended_conformance_gce/12622/

/tmp/openshift/build-rpm-release/tito/rpmbuild-origin9qJhqo/BUILD/origin-3.7.0/_output/local/go/src/github.com/openshift/origin/vendor/k8s.io/kubernetes/test/e2e/scheduling/predicates.go:242
Dec  8 13:15:38.571: Timed out after 10m0s waiting for stable cluster.
/tmp/openshift/build-rpm-release/tito/rpmbuild-origin9qJhqo/BUILD/origin-3.7.0/_output/local/go/src/github.com/openshift/origin/vendor/k8s.io/kubernetes/test/e2e/framework/util.go:5082

[tnozicka]

again https://openshift-gce-devel.appspot.com/build/origin-ci-test/pr-logs/pull/17599/test_pull_request_origin_extended_conformance_gce/12627/

[tnozicka]

again https://openshift-gce-devel.appspot.com/build/origin-ci-test/pr-logs/pull/17599/test_pull_request_origin_extended_conformance_gce/12631/

[tnozicka]

blocking queue for release-3.7

[mfojtik]

This is flaking also on 3.9 branch now. For 3.7 I think we can pick #17724

[mfojtik]

@sjenning @deads2k said this is an important feature and we should know why we are flaking here. I made a PR that disable the test for master to unblock the queue, but PTAL before merging that if there is something obvious that is broken.