diff --git a/olt.py b/olt.py
index 5f432cf..ea373bd 100644
--- a/olt.py
+++ b/olt.py
@@ -759,19 +759,20 @@
 
     def runTest(self):
         logging.info("Testing multiple Q-in-Q rules")
+        delete_all_flows(self.controller)
 
         self.installDoubleTaggingRules(10, 5, cookie=42, onu = onu_port)
 
-        time.sleep(5)
+        time.sleep(1)
 
-        self.installDoubleTaggingRules(20, 10, cookie=50, onu = onu_port2)
+        self.installDoubleTaggingRules(10, 30, cookie=50, onu = onu_port2)
 
-        time.sleep(5)
+        time.sleep(1)
 
         self.testPacketFlow(10, 5, onu=onu_port)
-        self.testPacketFlow(20, 10, onu=onu_port2)
+        self.testPacketFlow(10, 30, onu=onu_port2)
 
-        pass
+        delete_all_flows(self.controller)
 
 
 class DoubleVlanTest(OltBaseTest):