
Automatic merge from submit-queue (batch tested with PRs 65338, 64535). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. [GCE] e2e test for expose neg on gce ingress **What this PR does / why we need it**: - Adds e2e test for the expose NEG annotation (which allows for standalone NEGs) **Special notes for your reviewer**: Note, https://github.com/kubernetes/ingress-gce/pull/350 must be merged first before this is merged. `[Unreleased]` tag is on this PR because it depends on code from https://github.com/kubernetes/ingress-gce/pull/350 and https://github.com/kubernetes/ingress-gce/pull/284 being in an Ingress release. Will update this test and test-infra once this is released in the next Ingress. **Release note**: ```release-note NONE ```