diff --git a/libs/utils/executor.py b/libs/utils/executor.py
index bba847cc5991ee43516795569dbd2730416f9b78..3d469c77fcdc164c58dea00875680fd10151f7a2 100644
--- a/libs/utils/executor.py
+++ b/libs/utils/executor.py
@@ -451,7 +451,7 @@ class Executor():
                 num_tasks = task.get('tasks', 1)
                 task_idxs = self._wload_task_idxs(wl_idx, num_tasks)
                 for idx in task_idxs:
-                    idx_name = str(idx) if len(task_idxs) > 0 else ""
+                    idx_name = "_{}".format(idx) if len(task_idxs) > 1 else ""
                     task_name_idx = conf['prefix'] + task_name + idx_name
                     params[task_name_idx] = task_ctor(**task['params']).get()
 
diff --git a/libs/utils/test.py b/libs/utils/test.py
index 3cc338352f78368ca0c98d149f1a17b13a809364..f170247d731097d57fa24c6dfb548c5ac9aac4b2 100644
--- a/libs/utils/test.py
+++ b/libs/utils/test.py
@@ -51,7 +51,7 @@ class LisaTest(unittest.TestCase):
     """Override this with a dictionary or JSON path to configure the TestEnv"""
 
     experiments_conf = None
-    """Override this with a dictionary to configure the Executor"""
+    """Override this with a dictionary or JSON path to configure the Executor"""
 
     @classmethod
     def _init(cls, *args, **kwargs):
@@ -94,6 +94,10 @@ class LisaTest(unittest.TestCase):
         experiments_conf = cls._getExperimentsConf(test_env)
         cls.executor = Executor(test_env, experiments_conf)
 
+        # Alias tests and workloads configurations
+        cls.wloads = cls.executor._experiments_conf["wloads"]
+        cls.confs = cls.executor._experiments_conf["confs"]
+
         # Alias executor objects to make less verbose tests code
         cls.te = cls.executor.te
         cls.target = cls.executor.target
diff --git a/tests/eas/rfc.py b/tests/eas/rfc.py
index 84d99a0f72ef0c5236e6391ca79d2787c43aaabb..7207a8745b60266cb40ebfcd9a52efa4f62898bb 100644
--- a/tests/eas/rfc.py
+++ b/tests/eas/rfc.py
@@ -26,16 +26,15 @@ TESTS_CONF = os.path.join(TESTS_DIRECTORY, "rfc.config")
 class RFC(LisaTest):
     """Tests for the Energy-Aware Scheduler"""
 
+    test_conf = TESTS_CONF
+    experiments_conf = TESTS_CONF
+
     @classmethod
     def setUpClass(cls, *args, **kwargs):
         super(RFC, cls)._init(TESTS_CONF, args, kwargs)
 
-    def test_energy_regression(self):
-        """Check that there is not regression on energy"""
-        # TODO
-
-    def test_performance_regression(self):
-        """Check that there is not regression on performance"""
-        # TODO
+    def test_run(self):
+        """A dummy test just to run configured workloads"""
+        pass
 
 # vim :set tabstop=4 shiftwidth=4 expandtab
diff --git a/tests/sfreq/smoke_test.py b/tests/sfreq/smoke_test.py
index a6cc83cce691c7e203c0fe1c40decf872908452b..72c3729be071a85a403d496cf861ba5a6b2b4cf9 100644
--- a/tests/sfreq/smoke_test.py
+++ b/tests/sfreq/smoke_test.py
@@ -26,6 +26,9 @@ TESTS_CONF = os.path.join(TESTS_DIRECTORY, "smoke_test.config")
 class SFreq(LisaTest):
     """Tests for SchedFreq framework"""
 
+    test_conf = TESTS_CONF
+    experiments_conf = TESTS_CONF
+
     @classmethod
     def setUpClass(cls, *args, **kwargs):
         super(SFreq, cls)._init(TESTS_CONF, *args, **kwargs)
diff --git a/tests/stune/smoke_test_ramp.py b/tests/stune/smoke_test_ramp.py
index a439c1d638e405045fb42d786aa595f2e6d41670..346ffcae237d6922d67f1ed8383b9b87ab1d9320 100644
--- a/tests/stune/smoke_test_ramp.py
+++ b/tests/stune/smoke_test_ramp.py
@@ -54,6 +54,8 @@ class STune(LisaTest):
 
     """
 
+    test_conf = TESTS_CONF
+    experiments_conf = TESTS_CONF
 
     @classmethod
     def setUpClass(cls, *args, **kwargs):
@@ -62,19 +64,19 @@ class STune(LisaTest):
     def test_boosted_utilization_signal(self):
         """Tasks in stune groups are boosted"""
 
-        for tc in self.conf["confs"]:
-            test_id = tc["tag"]
+        for tc in self.confs:
+            conf_id = tc["tag"]
 
-            wload_idx = self.conf["wloads"].keys()[0]
+            wload_id = self.wloads.keys()[0]
             run_dir = os.path.join(self.te.res_dir,
-                                   "rtapp:{}:{}".format(test_id, wload_idx),
+                                   "rtapp:{}:{}".format(conf_id, wload_id),
                                    "1")
 
             ftrace_events = ["sched_boost_task"]
             ftrace = trappy.FTrace(run_dir, scope="custom",
                                    events=ftrace_events)
 
-            first_task_params = self.conf["wloads"][wload_idx]["conf"]["params"]
+            first_task_params = self.wloads[wload_id]["conf"]["params"]
             first_task_name = first_task_params.keys()[0]
             rta_task_name = "task_{}".format(first_task_name)