msc: add MSC_Tests.TC_call_re_establishment_auth

Invoke TC_call_re_establishment with authentication required.

Related: SYS#5130
Change-Id: I8110a6b432de734d53b111c7b69aabca12129691
diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index c9207aa..dae27d0 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -6754,6 +6754,26 @@
 	vc_conn2.done;
 }
 
+testcase TC_call_re_establishment_auth() runs on MTC_CT {
+	var BSC_ConnHdlr vc_conn1;
+	var BSC_ConnHdlr vc_conn2;
+	f_init();
+
+	f_vty_config(MSCVTY, "network", "authentication required");
+
+	var BSC_ConnHdlrPars pars1 := f_init_pars(92);
+	pars1.net.expect_auth := true;
+	var BSC_ConnHdlrPars pars2 := pars1;
+
+	vc_conn1 := f_start_handler_create(pars1);
+	vc_conn2 := f_start_handler_create(pars2);
+	connect(vc_conn1:COORD, vc_conn2:COORD);
+	f_start_handler_run(vc_conn1, refers(f_tc_call_re_establishment_1), pars1);
+	f_start_handler_run(vc_conn2, refers(f_tc_call_re_establishment_2), pars2);
+	vc_conn1.done;
+	vc_conn2.done;
+}
+
 control {
 	execute( TC_cr_before_reset() );
 	execute( TC_lu_imsi_noauth_tmsi() );
@@ -6914,6 +6934,7 @@
 	execute( TC_paging_response_tmsi_unknown() );
 
 	execute( TC_call_re_establishment() );
+	execute( TC_call_re_establishment_auth() );
 }