Renamed test uaa CAs and certs to be more specific
Renamed test uaa CAs and certs to be more specific

Future commits will have routing api certs and CAs, we want to make
clear which are which.

[#164608185]

Signed-off-by: Barack Karavani <d90c13280473e40d0128a7cb829e286478c028c5@pivotal.io>

cloudfoundry-incubator/cf-tcp-router,cloudfoundry-incubator/cf-tcp-router