chore: add e2e test for byo public IP

[nilo19]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind api-change
/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

/kind cleanup

What this PR does / why we need it:

chore: add e2e test for byo public IP

Which issue(s) this PR fixes:

Fixes #618

Special notes for your reviewer:

Release note:

chore: add e2e test for byo public IP

[feiskyer]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: feiskyer, nilo19

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Details

Needs approval from an approver in each of these files:

• OWNERS [feiskyer,nilo19]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[MartinForReal]

/cherrypick release-1.0

[k8s-infra-cherrypick-robot]

@MartinForReal: #627 failed to apply on top of branch "release-1.0":

Applying: chore: add e2e test for byo public IP
Using index info to reconstruct a base tree...
M	site/content/en/topics/tagging-resources.md
M	tests/e2e/network/ensureloadbalancer.go
M	tests/e2e/network/service_annotations.go
M	tests/e2e/utils/network_utils.go
M	tests/e2e/utils/service_utils.go
Falling back to patching base and 3-way merge...
Auto-merging tests/e2e/utils/service_utils.go
Auto-merging tests/e2e/utils/network_utils.go
Auto-merging tests/e2e/network/service_annotations.go
CONFLICT (content): Merge conflict in tests/e2e/network/service_annotations.go
Auto-merging tests/e2e/network/ensureloadbalancer.go
CONFLICT (content): Merge conflict in tests/e2e/network/ensureloadbalancer.go
Auto-merging site/content/en/topics/tagging-resources.md
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 chore: add e2e test for byo public IP
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

Details

In response to this:

/cherrypick release-1.0

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.