hnbgw: Introduce test TC_rab_assign_mgw_iuup_addr_chg

Change-Id: Ibfc37118ed3a67e4ca3f417273bedba127be7639
Related: SYS#6657
Related: OS#6127
diff --git a/hnbgw/expected-results.xml b/hnbgw/expected-results.xml
index 3b338bf..fb86108 100644
--- a/hnbgw/expected-results.xml
+++ b/hnbgw/expected-results.xml
@@ -13,6 +13,7 @@
   <testcase classname='HNBGW_Tests' name='TC_rab_release' time='MASKED'/>
   <testcase classname='HNBGW_Tests' name='TC_rab_assign_fail' time='MASKED'/>
   <testcase classname='HNBGW_Tests' name='TC_rab_assign_mgcp_to' time='MASKED'/>
+  <testcase classname='HNBGW_Tests' name='TC_rab_assign_mgw_iuup_addr_chg' time='MASKED'/>
   <testcase classname='HNBGW_Tests' name='TC_ranap_cs_mo_disconnect' time='MASKED'/>
   <testcase classname='HNBGW_Tests' name='TC_ranap_ps_mo_disconnect' time='MASKED'/>
   <testcase classname='HNBGW_Tests' name='TC_ps_rab_assignment_without_pfcp' time='MASKED'/>