epdg: Fix instance in CreateSession Resp BearerCtx S2b-U PGW F-TEID IE
According to 3GPP TS 29.274 Table 7.2.2-2, instance=4.
Change-Id: Ie60605f39b4c43f186aee67f966708a1efe70412
diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn
index aceedd4..03ea275 100644
--- a/epdg/EPDG_Tests.ttcn
+++ b/epdg/EPDG_Tests.ttcn
@@ -450,7 +450,7 @@
fteid_c_ie := ts_GTP2C_FTEID(FTEID_IF_S2b_ePDG_GTPC, g_pars.teic_local, 0,
f_inet_addr(mp_s2b_local_ip), omit);
- fteid_u_ie := ts_GTP2C_FTEID(FTEID_IF_S2bU_ePDG_GTPU, g_pars.bearer.teid_local, 2,
+ fteid_u_ie := ts_GTP2C_FTEID(FTEID_IF_S2bU_ePDG_GTPU, g_pars.bearer.teid_local, 4,
f_inet_addr(mp_s2b_local_ip), omit);
paa := ts_GTP2C_PdnAddrAlloc_v4(f_inet_addr(g_pars.ue_ip));
bctx_ies := ts_GTP2C_BcContextIE(ebi := g_pars.bearer.ebi,