WIP: testing e2e in serving

[houshengbo]

Fixes #

Proposed Changes

*

Release Note

[knative-prow[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: houshengbo

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

The pull request process is described here

Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/knative/operator/blob/main/OWNERS)~~ [houshengbo] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (1228b72) 79.40% compared to head (ea8b03e) 79.40%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1619 +/- ## ======================================= Coverage 79.40% 79.40% ======================================= Files 41 41 Lines 1845 1845 ======================================= Hits 1465 1465 Misses 277 277 Partials 103 103 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[knative-prow[bot]]

@houshengbo: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
upgrade-tests_operator_main	ea8b03e82e33fbff61b25874e21ffe4d86bf8767	link	true	/test upgrade-tests

Your PR dashboard.

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository. I understand the commands that are listed [here](https://go.k8s.io/bot-commands).