VLR tests: avoid leaking LAC access details

Avoid leaking details on accessing data structure for LAC value into
test output: that's irrelevant clutter which forces unnecessary test
output modifications.

Change-Id: I4a1d7884cf47ad513d7d6fb27c5c6f1b829dff2e
diff --git a/tests/msc_vlr/msc_vlr_test_call.err b/tests/msc_vlr/msc_vlr_test_call.err
index 481a2db..db0d58c 100644
--- a/tests/msc_vlr/msc_vlr_test_call.err
+++ b/tests/msc_vlr/msc_vlr_test_call.err
@@ -175,7 +175,7 @@
 DREF VLR subscr MSISDN:42342 usage increases to: 2
   vsub != NULL == 1
   strcmp(vsub->imsi, IMSI) == 0
-  vsub->lac == 23
+  LAC == 23
 DREF VLR subscr MSISDN:42342 usage decreases to: 1
 ---
 - after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector
@@ -555,7 +555,7 @@
 DREF VLR subscr MSISDN:42342 usage increases to: 2
   vsub != NULL == 1
   strcmp(vsub->imsi, IMSI) == 0
-  vsub->lac == 23
+  LAC == 23
 DREF VLR subscr MSISDN:42342 usage decreases to: 1
 ---
 - after a while, MNCC asks us to setup a call, causing Paging
@@ -934,7 +934,7 @@
 DREF VLR subscr MSISDN:42342 usage increases to: 2
   vsub != NULL == 1
   strcmp(vsub->imsi, IMSI) == 0
-  vsub->lac == 23
+  LAC == 23
 DREF VLR subscr MSISDN:42342 usage decreases to: 1
 ---
 - after a while, MNCC asks us to setup a call, causing Paging
@@ -1279,7 +1279,7 @@
 DREF VLR subscr MSISDN:42342 usage increases to: 2
   vsub != NULL == 1
   strcmp(vsub->imsi, IMSI) == 0
-  vsub->lac == 23
+  LAC == 23
 DREF VLR subscr MSISDN:42342 usage decreases to: 1
 ---
 - after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector
@@ -1621,7 +1621,7 @@
 DREF VLR subscr MSISDN:42342 usage increases to: 2
   vsub != NULL == 1
   strcmp(vsub->imsi, IMSI) == 0
-  vsub->lac == 23
+  LAC == 23
 DREF VLR subscr MSISDN:42342 usage decreases to: 1
 ---
 - after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector