WIP: bare-metal: add some go tests to start to verify functionality

[justinsb]

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[k8s-ci-robot]

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

Test name	Commit	Details	Required	Rerun command
pull-kops-verify-boilerplate	5972bb8	link	true	/test pull-kops-verify-boilerplate
pull-kops-verify-gomod	5972bb8	link	true	/test pull-kops-verify-gomod

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[justinsb]

(I'm testing whether status.addresses and spec.podCIDRs are set ... amusingly they seem to be here, but they aren't - currently - set in my real environment - I guess that's a win?)