Configure bsc and msc to connect to the specific stp provided in test

Change-Id: I89deaa71956131766fec8fcc3bc7381ebb0e187f
diff --git a/suites/aoip_smpp/esme_connect_policy_closed.py b/suites/aoip_smpp/esme_connect_policy_closed.py
index 79cb0c7..263b428 100755
--- a/suites/aoip_smpp/esme_connect_policy_closed.py
+++ b/suites/aoip_smpp/esme_connect_policy_closed.py
@@ -14,7 +14,8 @@
 hlr = suite.hlr()
 bts = suite.bts()
 mgcpgw = suite.mgcpgw(bts_ip=bts.remote_addr())
-msc = suite.msc(hlr, mgcpgw)
+stp = suite.stp()
+msc = suite.msc(hlr, mgcpgw, stp)
 smsc = msc.smsc
 
 esme = suite.esme()
@@ -25,6 +26,7 @@
 smsc.esme_add(esme)
 smsc.esme_add(esme_no_pwd)
 
+stp.start()
 hlr.start()
 msc.start()
 mgcpgw.start()