L2SS-847: add custom tango host in statistics writer

Closes L2SS-847

tangostationcontrol/tangostationcontrol/integration_test/default/statistics_writer/test_statistics_writer_sst.py

@@ -68,10 +68,10 @@ class TestStatisticsWriterSST(BaseIntegrationTestCase):
                 stat = stat_parser.get_statistic('2021-09-20T12:17:40.000+00:00') # same as stat_parser.statistics[0] 
                 self.assertIsNotNone(stat)
                 self.assertEqual(121, stat.data_id_signal_input_index)
-                # Test RECV attributes               
-                self.assertListEqual(stat.rcu_attenuator_dB.tolist(), [0] * 96)
-                self.assertListEqual(stat.rcu_band_select.tolist(), [0] * 96)
-                self.assertListEqual(stat.rcu_dth_on.tolist(), [False] * 96)
+                # RECV attributes are not present since the stats-writer is not connecting to any host              
+                self.assertEqual(stat.rcu_attenuator_dB.tolist(), None)
+                self.assertEqual(stat.rcu_band_select.tolist(), None)
+                self.assertEqual(stat.rcu_dth_on.tolist(), None) 
         
     def test_no_tango_SST_statistics(self):