VLR tests: always print test parameters

For each test print:
* the test number
* IMSI

Unfortunately tests are organized in such a way that we don't know the
number of particular test in advance. Nevertheless, it make sense to
always print it regardless of -v option presense.

Related: OS#2864
Change-Id: I2e1d7701f5322d2311f32b796148a8b414f53b8e
diff --git a/tests/msc_vlr/msc_vlr_test_ms_timeout.err b/tests/msc_vlr/msc_vlr_test_ms_timeout.err
index 7731bcb..cdf9be0 100644
--- a/tests/msc_vlr/msc_vlr_test_ms_timeout.err
+++ b/tests/msc_vlr/msc_vlr_test_ms_timeout.err
@@ -1,4 +1,4 @@
-===== test_ms_timeout_lu_auth_resp
+===== [1] test_ms_timeout_lu_auth_resp(901700000004620)...
 - Total time passed: 0.000000 s
 - Location Update request causes a GSUP Send Auth Info request to HLR
   MSC <--RAN_GERAN_A-- MS: GSM48_MT_MM_LOC_UPD_REQUEST
@@ -97,12 +97,12 @@
   bssap_clear_sent == 1
   llist_count(&net->subscr_conns) == 0
   lu_result_sent == 2
-===== test_ms_timeout_lu_auth_resp: SUCCESS
+===== [1] test_ms_timeout_lu_auth_resp(901700000004620): SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
 talloc_total_blocks(tall_bsc_ctx) == 8
 
-===== test_ms_timeout_cm_auth_resp
+===== [2] test_ms_timeout_cm_auth_resp(901700000004620)...
 - Total time passed: 0.000000 s
 - Location Update request causes a GSUP Send Auth Info request to HLR
   MSC <--RAN_GERAN_A-- MS: GSM48_MT_MM_LOC_UPD_REQUEST
@@ -333,12 +333,12 @@
   llist_count(&net->subscr_conns) == 0
   cm_service_result_sent == 2
 DREF freeing VLR subscr MSISDN:46071
-===== test_ms_timeout_cm_auth_resp: SUCCESS
+===== [2] test_ms_timeout_cm_auth_resp(901700000004620): SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
 talloc_total_blocks(tall_bsc_ctx) == 8
 
-===== test_ms_timeout_paging
+===== [3] test_ms_timeout_paging(901700000004620)...
 - Total time passed: 0.000000 s
 - Location Update request causes a GSUP LU request to HLR
   MSC <--RAN_GERAN_A-- MS: GSM48_MT_MM_LOC_UPD_REQUEST
@@ -516,7 +516,7 @@
   bssap_clear_sent == 1
   paging_stopped == 1
   llist_count(&net->subscr_conns) == 0
-===== test_ms_timeout_paging: SUCCESS
+===== [3] test_ms_timeout_paging(901700000004620): SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
 talloc_total_blocks(tall_bsc_ctx) == 8