* add shutdown function to TestVaultServer
* implement shutdown function in TestVaultServer
* stop renewing vault token when token has already expired
* Add comment
* clean up error checks
* modify credential_vault_token_renewal_revocation_view to include expiration_time
* include TokenExpirationTime in clientStore
* add test to validate that unexpired tokens are not set as expired
* add token status validation
* add expiration time validation to tests
* add small comment
* remove unnecessary renew from test
* fix token translation uses wrong time field and add tests
* add more token status validation
* fix lint
* move migration to 103
* remove t.Parallel() comments
* remove unused setup code
* use atomic for testvault.stopped
implement atomic read/write for testvault
* remove file created by merge conflict
* make gen