[zuul] [graphing] Add WorkLoad to verify metrics collection

[mgirgisf]

No description provided.

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/2cc66286feb44ad6bb9156574cd7a421

✔️ openstack-k8s-operators-content-provider SUCCESS in 1h 53m 31s
❌ functional-tests-on-osp18 FAILURE in 30m 00s
✔️ functional-logging-tests-osp18 SUCCESS in 1h 17m 34s
❌ functional-graphing-tests-osp18 FAILURE in 26m 23s
❌ functional-metric-verification-tests-osp18 FAILURE in 26m 14s

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/9f24925313474eeeabc460c8a25cc192

✔️ openstack-k8s-operators-content-provider SUCCESS in 1h 56m 04s
✔️ functional-tests-on-osp18 SUCCESS in 1h 28m 49s
✔️ functional-logging-tests-osp18 SUCCESS in 1h 14m 50s
❌ functional-graphing-tests-osp18 FAILURE in 1h 39m 28s
❌ functional-metric-verification-tests-osp18 FAILURE in 18m 59s