BTS_Test_ASCI: Add Listener detection test

The MS sends UPLINK ACCESS. The BTS send RSL Listener DET message.
Another MS send UPLINK ACCESS. The BTS does not send another RSL
Listener DET message.

Change-Id: I544f492a32751d17f998a2143081c3763ba1dd29
Related: OS#4851
1 file changed