Use WaitForPodRunning instead of WaitForResourceReady on pods

[pierDipi]

Problem

Since conformance tests cannot be run for non-channel based brokers, we copy-pasted them in https://github.com/knative-sandbox/eventing-kafka-broker, and we started to observe flaky tests.
After digging we found out that the use of WaitForResourceReady on pods makes our tests flaky, see knative-extensions/eventing-kafka-broker#183, discussion, and diff.

We should check all of our tests and use WaitForPodRunning instead of WaitForResourceReady when we're waiting for pods to be running.

Additional Info

• Project pod name as env var in our deployments #4072 (comment)

/area test-and-release
/good-first-issue

[knative-prow-robot]

@pierDipi:
This request has been marked as suitable for new contributors.

Please ensure the request meets the requirements listed here.

If this request no longer meets these requirements, the label can be removed
by commenting with the /remove-good-first-issue command.

Details

In response to this:

Expected Behavior

Since conformance tests cannot be run for non-channel based brokers, we copy-pasted them in https://github.com/knative-sandbox/eventing-kafka-broker, and we started to observe flaky tests.
After digging we found out that the use of WaitForResourceReady on pods makes our tests flaky, see knative-extensions/eventing-kafka-broker#183, discussion, and diff.

Actual Behavior

We should check all of our tests and use use WaitForPodRunning instead of WaitForResourceReady when we're waiting for pods to be running.

Additional Info

• Project pod name as env var in our deployments #4072 (comment)

/area test-and-release
/good-first-issue

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.

[lionelvillard]

Could we also fix WaitForResourceReady to work on pods and get rid of WaitForPodRunning?

[pierDipi]

That could be another option, but I've not identified the root cause.

[pierDipi]

/assign