[E2E] Add test to cover ResourceManagerTags

[richardcase]

/kind feature

Describe the solution you'd like

With #1008 support has been added for ResourceManagerTags. It would be good to ensure that we have this functionality covered by E2E tests.

Anything else you would like to add: [Miscellaneous information that will assist in solving the issue.]

[richardcase]

/help /priority important-soon

[k8s-ci-robot]

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/help /priority important-soon

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[salasberryfin]

Following up on #1008, I'd be happy to take on this and add test cases.

/assign