it is not a root role.
Updated the cryptoservice tests to test all key algorithms, all roles,
and cryptoservices without a GUN. This then also found bugs in
cryptoservice.GetKey, cryptoservice.RemoveKey, and
cryptoservice.GetPrivateKey, which weren't really being exercised
previously.
Signed-off-by: Ying Li <ying.li@docker.com>
Signed-off-by: David Lawrence <david.lawrence@docker.com>
Signed-off-by: Ying Li <ying.li@docker.com> (github: endophage)