msc: allow f_verify_vty_lac_ci() to pass for CompL3 by TMSI MI

Obviously, when only a TMSI has been used, searching for an IMSI will
return no subscriber. Don't fail in that case when testing for
verify_vlr := false.

Prepares TC_lu_tmsi_noauth_notmsi in
If10b9987395670b084ff8ad6d1f033ff46896d75

Related: SYS#6860 OS#4721
Change-Id: I4d719928f04e5a47d415c38f835451b1f10c713d
diff --git a/msc/BSC_ConnectionHandler.ttcn b/msc/BSC_ConnectionHandler.ttcn
index a979953..072f38d 100644
--- a/msc/BSC_ConnectionHandler.ttcn
+++ b/msc/BSC_ConnectionHandler.ttcn
@@ -827,7 +827,9 @@
 	}
 
 	if (not verify_vlr and not connection_present) {
-		setverdict(fail, "f_verify_vty_lac_ci(verify_vlr := false) called, which requires an active connection, but there is no 'Connection:' part to verify in ", result);
+		/* If the Compl L3 was done by TMSI, the VLR has no IMSI until the ID Request / Response for IMSI has
+		 * been answered. So if verify_vlr == false, a "missing" connection is one of the expected scenarios. */
+		setverdict(pass);
 	}
 }