MSC_Tests: Add testcase to simulate VLR/HLR failure (SGsAP)

Currently we do not simulate a situation where the HLR is unreachable to
the MSC. Lets add a test wehere the HLR is disconnected and an LU via
SGsAP is tried. The SGs interface should then carry out a reset
procedure.

Change-Id: I830d0b936cbe9d73d1e0b1f4792c2be3d0b08cb9
Related: OS#3859
2 files changed