Test Flakes surrounding Serviceaccount resources

[guineveresaenger]

Describe what happened

I've come across this particular flake a few times now:
#2683
#2530

but those are just the two issues outlining the exact failure. There could be more where the error wasn't noted. We should investigate.

Sample program

See run output in those links.

Log output

No response

Affected Resource(s)

No response

Output of pulumi about

n/a

Additional context

No response

Contributing

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