sync TTCN3 MSC test config with docker-playground

Update MSC_Tests.default according to the current MSC_Tests.cfg
used by docker-playground.

Add osmo-msc.cfg and osmo-stp.cfg example configuration files.

Allows the MSC tests to be run locally.

Change-Id: Ia00f0315a5246c3ec55563ebd21a586aec8e4688
3 files changed