epdg: Introduce test TC_hss_initiated_deregister_new_server_assigned

Related: OS#6042
Change-Id: Ia5bf7708d11421710f3a88669d94c4f01060cdd6
diff --git a/epdg/expected-results.xml b/epdg/expected-results.xml
index 6507cc2..bb28811 100644
--- a/epdg/expected-results.xml
+++ b/epdg/expected-results.xml
@@ -7,6 +7,7 @@
   <testcase classname='EPDG_Tests' name='TC_ho_lte_to_wifi' time='MASKED'/>
   <testcase classname='EPDG_Tests' name='TC_ho_wifi_to_lte' time='MASKED'/>
   <testcase classname='EPDG_Tests' name='TC_s2b_CreateSession_rejected' time='MASKED'/>
+  <testcase classname='EPDG_Tests' name='TC_hss_initiated_deregister_new_server_assigned' time='MASKED'/>
   <testcase classname='EPDG_Tests' name='TC_concurrent_ues2' time='MASKED'/>
   <testcase classname='EPDG_Tests' name='TC_concurrent_ues100' time='MASKED'/>
   <testcase classname='EPDG_Tests' name='TC_upf_echo_req' time='MASKED'/>