diff --git a/tests/msc_vlr/msc_vlr_test_hlr_reject.err b/tests/msc_vlr/msc_vlr_test_hlr_reject.err
index 26d5736..305e1b8 100644
--- a/tests/msc_vlr/msc_vlr_test_hlr_reject.err
+++ b/tests/msc_vlr/msc_vlr_test_hlr_reject.err
@@ -43,7 +43,7 @@
 DREF VLR subscr IMSI-901700000004620 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_NACK
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: GSUP: rx Auth Info Error cause: 2: IMSI unknown in HLR
-DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result NO_AUTH_INFO, cause IMSI unknown in HLR
+DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result NO_AUTH_INFO, cause IMSI_UNKNOWN_IN_HLR
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_AUTH_FAILED
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_AUTH_FAILED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_AUTH_FAILED}: Removing from parent vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU)
@@ -142,7 +142,7 @@
 DREF VLR subscr IMSI-901700000004620 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_NACK
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: GSUP: rx Auth Info Error cause: 17: Network failure
-DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result NO_AUTH_INFO, cause Network failure
+DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result NO_AUTH_INFO, cause NETWORK_FAILURE
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_AUTH_FAILED
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_AUTH_FAILED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_AUTH_FAILED}: Removing from parent vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU)
@@ -738,7 +738,7 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + vlr_gsup_rx: now used by 3 (attached,active-conn,vlr_gsup_rx)
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_NACK
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: GSUP: rx Auth Info Error cause: 17: Network failure
-DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result NO_AUTH_INFO, cause Network failure
+DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result NO_AUTH_INFO, cause NETWORK_FAILURE
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_AUTH_FAILED
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_AUTH_FAILED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_AUTH_FAILED}: Removing from parent vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU)
@@ -1006,7 +1006,7 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + vlr_gsup_rx: now used by 3 (attached,active-conn,vlr_gsup_rx)
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_NACK
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: GSUP: rx Auth Info Error cause: 2: IMSI unknown in HLR
-DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result NO_AUTH_INFO, cause IMSI unknown in HLR
+DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result NO_AUTH_INFO, cause IMSI_UNKNOWN_IN_HLR
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_AUTH_FAILED
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_AUTH_FAILED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_AUTH_FAILED}: Removing from parent vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU)
@@ -1104,7 +1104,7 @@
 <-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f00a0101
 DREF VLR subscr IMSI-901700000004620 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
-DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result FAILURE, cause Network failure
+DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result FAILURE, cause NETWORK_FAILURE
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_AUTH_FAILED
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_AUTH_FAILED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_AUTH_FAILED}: Removing from parent vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU)