Implement TTCN-3 testsuite for Inter-MSC HO
Implementation of TTCN-3 test cases as part of MSC_Tests.ttcn in osmo-ttcn3-hacks.git which emulate one external BSC and MSC to test basic and subsequent Inter-MSC hand-over of OsmoMSC.
- inbound hand-over, successful
- outbound hand-over, successful
- inbound hand-over, unsuccessful cases
- outbound handover, unsuccessful cases