MSC/SMPP: introduce TC_smpp_mo_sms_rp_error for OS#4351

This test case reproduces the problem described in OS#4351:

  1. MS/UE submits a MO SMS which it getting touted to an ESME;
  2. MSC prematurely responds with RP-ACK to the MS/UE;
  3. ESME responds with DELIVER-SM error;
  4. SMS transaction is already terminated (by RP-ACK).

Expected behaviour:

  1. MS/UE submits a MO SMS which it getting touted to an ESME;
  2. ESME responds with DELIVER-SM error;
  3. MSC terminates the SMS transaction with RP-ERROR.

Change-Id: I33c6ea0ffdf8b8a45f587d690bdceb38fc42c898
Related: OS#4351
2 files changed