remsim: server: TC_connect_{client,bankd}_duplicate

Add two new tests for the remsim-server, which simulate what happens
if a client or bankd with identical ID connects twice.  We expect
the second connection to get rejected at RSPRO level, and to be closed.

Change-Id: I29023f6b5ba430338c77bf01508c81bd6d8c99fa
Ralated: OS#5527
2 files changed