* consider possibility of NextVaultRotation being nil on queue population
* move test
* add changelog
* fix reference to nil, and improve debug log
* use helper function to write static roles to storage
* add password check in test
* fix godoc
* fix changelog and add remediation debug line
* force ticker to run, and make sure credential doesnt rotate
* add another edge case
* fix godoc
* check ttl is less in test
* check error case and if resp is nil
* make check on ttl more robust
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