BSC_Tests: add module parameter 'mp_verify_talloc_count'

This parameter allows to enable/disable checking of the IUT's talloc
report in f_shutdown_helper().  This may be useful when running the
test suite against '-latest' with unfixed memory leaks.

Change-Id: Ic7bf8d9def21083ebda1b94659d72dde2bb5e664
diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 1510af8..dadd5bf 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -709,6 +709,9 @@
 
 	/* Value set in osmo-bsc.cfg "ms max power" */
 	uint8_t mp_exp_ms_power_level := 7;
+
+	/* Whether to check for memory leaks */
+	boolean mp_verify_talloc_count := true;
 }
 
 friend function f_gen_test_hdlr_pars(integer bssap_idx := 0) return TestHdlrParams {
@@ -858,7 +861,7 @@
 
 friend function f_shutdown_helper() runs on test_CT {
 	/* Run the subscr and conn leak test only when the VTY is initialized */
-	if (BSCVTY.checkstate("Mapped")) {
+	if (BSCVTY.checkstate("Mapped") and mp_verify_talloc_count) {
 		f_verify_talloc_count(BSCVTY, {"struct bsc_subscr", "struct gsm_subscriber_connection"});
 	}