test: AttachedRoutes conformance tests to count only Accepted routes

[davidesalerno]

What type of PR is this?
/kind test

Optionally add one or more of the following kinds if applicable:
/area conformance-test

What this PR does / why we need it:

Which issue(s) this PR fixes:
Fixes #4341

Does this PR introduce a user-facing change?:

Add conformance test to check that only Accepted Routes are considered as attachedRoute on Gateway status

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: davidesalerno
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• conformance/OWNERS

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[k8s-ci-robot]

Hi @davidesalerno. Thanks for your PR.

I'm waiting for a github.com member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[mikemorris]

/ok-to-test

This was discussed in the December 8th Gateway API meeting and the proposed clarification of only counting Accepted routes was confirmed as the desired functionality.

[rikatz]

/test pull-gateway-api-verify

seems like one of the flakes when trying to use prow to build arm images

[snorwin]

Thanks @davidesalerno.

Did you have a chance to verify this PR against any implementation?
Our implementation (Airlock Microgateway) does not pass it due to the issue noted in my comment.

I highly recommend that, if you plan to make further contributions to the conformance tests, you set up an environment where you can run them against at least one implementation. This doesn’t mean all implementations are perfect, but it does provide a useful indicator and helps catch issues early.

[snorwin]

Why is this HTTPRoute supposed to be not accepted? For example, a route is not accepted if the listener hostname does not match the route hostnames.

[rikatz]

I have the feeling some commit is lost here, previously there was something else making it not accepted