diff --git a/tests/detailed_contr_sw_messages.py b/tests/detailed_contr_sw_messages.py
index a32251d..824692f 100644
--- a/tests/detailed_contr_sw_messages.py
+++ b/tests/detailed_contr_sw_messages.py
@@ -628,6 +628,8 @@
         self.assertEqual(1, response.duration_sec,
                          'Flow was not alive for 1 sec')
 
+        sleep(1)
+
 
 class Outport2(base_tests.SimpleDataPlane):
 
@@ -710,6 +712,8 @@
         self.assertEqual(1, response.duration_sec,
                          'Flow was not alive for 1 sec')
 
+        sleep(1)
+
 
 class FlowTimeout(base_tests.SimpleDataPlane):
   
@@ -761,6 +765,8 @@
         # Verify no entries in the table
         verify_tablestats(self,expect_active=0)
 
+        sleep(1)
+
 
 
         
diff --git a/tests/flow_expire.py b/tests/flow_expire.py
index 0467e4b..ccbad20 100644
--- a/tests/flow_expire.py
+++ b/tests/flow_expire.py
@@ -83,3 +83,4 @@
         self.assertEqual(match, response.match,
                          'Flow table entry does not match')
         
+        sleep(1)