obj: Fix objects placing their content in suite rundir instead of test rundir

Change-Id: I421d35473575086b93d5c8db98b909cc6c83d896
diff --git a/src/osmo_gsm_tester/obj/bts_nanobts.py b/src/osmo_gsm_tester/obj/bts_nanobts.py
index 5c07bda..a818a8f 100644
--- a/src/osmo_gsm_tester/obj/bts_nanobts.py
+++ b/src/osmo_gsm_tester/obj/bts_nanobts.py
@@ -94,7 +94,7 @@
     def start(self, keepalive=False):
         if self.conf.get('ipa_unit_id') is None:
             raise log.Error('No attribute ipa_unit_id provided in conf!')
-        self.run_dir = util.Dir(self.testenv.suite().get_run_dir().new_dir(self.name()))
+        self.run_dir = util.Dir(self.testenv.test().get_run_dir().new_dir(self.name()))
         self._configure()
 
         unitid = int(self.conf.get('ipa_unit_id'))