Add secure-rbac tests for Secret Metadata

This patch test RBAC access for the Secret Metadata API.

Depends-On: I8222ea2a55cdb72f1d9affe9fb0cf542c6b7c88c
Change-Id: I4dda0eb7198892ed1b662b4c3f3b6e99d9d3e80a
3 files changed