Automatic merge from submit-queue (batch tested with PRs 48665, 52849, 54006, 53755). 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>.

Add named-port ingress test

**What this PR does / why we need it**:

Validate correct behavior when a `NetworkPolicyIngressRule` refers to a named port rather than a numerical port, e.g. `serve-80` rather than `80`.

**Release note**:

```release-note
NONE
```