nfd-master: check nfd api informer cache sync result

[marquiz]

Bail out if there were errors in syncing the cache of any resource.

[marquiz]

/assign @ArangoGutierrez

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[ArangoGutierrez]

We need to add more "chaos" scenarios to our E2E suite
/lgtm

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[APPROVALNOTIFIER] This PR is APPROVED

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LGTM label has been added.

Git tree hash: 6216ce125384090fb9459c5d756f08540a561869

[TessaIO]

We need to add more "chaos" scenarios to our E2E suite /lgtm

@ArangoGutierrez should we create a ticket for that?

[ahmetb]

This is in response to #1802, right?

[marquiz]

This is in response to #1802, right?

Kinda. Inspired by it but not (afaiu) fixing anything you encountered. WaitForCacheSync blocks and I'm not entirely sure in which scenarios it returns with caches not synced but we'd better catch those situations without falling through unnoticed.