Fix bug in setup QOS Mobile tests

Change-Id: Ibab87e5d6398982d50bb75fc77adeab98532632c
diff --git a/TestON/tests/USECASE/SegmentRouting/QOS/dependencies/QOSTest.py b/TestON/tests/USECASE/SegmentRouting/QOS/dependencies/QOSTest.py
index fcb4b7c..6fc1ba9 100644
--- a/TestON/tests/USECASE/SegmentRouting/QOS/dependencies/QOSTest.py
+++ b/TestON/tests/USECASE/SegmentRouting/QOS/dependencies/QOSTest.py
@@ -20,7 +20,7 @@
         up4 = UP4()
         trex = Trex()
         # Get the P4RT client connected to UP4 in the first available ONOS instance
-        up4.setup(main.Cluster.active(0).p4rtUp4)
+        up4.setup(main.Cluster.active(0).p4rtUp4, no_host=True)
         trex.setup(main.TRexClient)
 
         main.step("Program PDRs and FARs via UP4")