virtual: Make mass tests be able to activate themselves

We will need to enable/disable generation of lua script code
depending on the subscriber and mass test.

Change-Id: Ide4d788543d910356efe9f61e789b3975f7bc558
diff --git a/src/osmo_ms_driver/__main__.py b/src/osmo_ms_driver/__main__.py
index c3da49d..a752c37 100644
--- a/src/osmo_ms_driver/__main__.py
+++ b/src/osmo_ms_driver/__main__.py
@@ -98,8 +98,10 @@
             'imsi': imsi,
             'ki': ki,
             'auth_algo': 'comp128v1',
+            'run_lu_test': False,
         }
         starter.subscriber_add(ms_osmo_mobile.MSOsmoMobile("ms_%d" % i, conf))
+    starter.configure_tasks()
     test.configure(args.num_ms)
 
     atexit.register(starter.stop_all)