diff --git a/IPython/kernel/tests/test_engineservice.py b/IPython/kernel/tests/test_engineservice.py
index 40c047f..15c80a4 100644
--- a/IPython/kernel/tests/test_engineservice.py
+++ b/IPython/kernel/tests/test_engineservice.py
@@ -48,6 +48,18 @@ else:
     
         def tearDown(self):
             return self.engine.stopService()
+    
+    class ThreadedEngineServiceTest(DeferredTestCase,
+                                 IEngineCoreTestCase, 
+                                 IEngineSerializedTestCase,
+                                 IEnginePropertiesTestCase):
+    
+        def setUp(self):
+            self.engine = es.ThreadedEngineService()
+            self.engine.startService()
+    
+        def tearDown(self):
+            return self.engine.stopService()
 
     class QueuedEngineServiceTest(DeferredTestCase,
                                   IEngineCoreTestCase,