diff --git a/tools/marvin/marvin/integration/lib/factory/NetworkOfferingFactory.py b/tools/marvin/marvin/integration/lib/factory/NetworkOfferingFactory.py
index 36738287a74..8b00819e0e8 100644
--- a/tools/marvin/marvin/integration/lib/factory/NetworkOfferingFactory.py
+++ b/tools/marvin/marvin/integration/lib/factory/NetworkOfferingFactory.py
@@ -60,7 +60,7 @@ class DefaultSharedNetworkOfferingWithSGServiceFactory(NetworkOfferingFactory):
     displaytext = factory.Sequence(lambda n : "DefaultSharedNetworkOfferingWithSGService" + random_gen())
     name = factory.Sequence(lambda n : "DefaultSharedNetworkOfferingWithSGService" + random_gen())
     availability = "Optional"
-    supportedservices = "SecurityGroup, Dns, Dhcp, UserData"
+    supportedservices = "SecurityGroup,Dns,Dhcp,UserData"
     guestiptype = "Shared"
     traffictype = "GUEST"
 
diff --git a/tools/marvin/marvin/integration/lib/factory/test/testFactories.py b/tools/marvin/marvin/integration/lib/factory/test/testFactories.py
index 1d183051708..1637020a53c 100644
--- a/tools/marvin/marvin/integration/lib/factory/test/testFactories.py
+++ b/tools/marvin/marvin/integration/lib/factory/test/testFactories.py
@@ -19,13 +19,13 @@ import unittest
 from marvin.cloudstackTestClient import cloudstackTestClient
 
 from marvin.integration.lib.factory.AccountFactory import *
-from marvin.integration.lib.base.Account import *
+from marvin.integration.lib.base.Account import Account
 
 from marvin.integration.lib.factory.ServiceOfferingFactory import *
-from marvin.integration.lib.base.ServiceOffering import *
+from marvin.integration.lib.base.ServiceOffering import ServiceOffering
 
 from marvin.integration.lib.factory.NetworkOfferingFactory import *
-from marvin.integration.lib.base.NetworkOffering import *
+from marvin.integration.lib.base.NetworkOffering import NetworkOffering
 
 class AccountFactoryTest(unittest.TestCase):
     def setUp(self):
@@ -86,4 +86,10 @@ class NetworkOfferingFactoryTest(unittest.TestCase):
         self.assertTrue(snatOffering is not None, msg = "no network offering was created")
         self.assertEqual(snatOffering.name, snatOfferingFactory.name, msg="error in network offering factory creation")
 
-        snatOffering.update(self.apiClient, state='Enabled')
+    def test_defaultSGOfferingEnable(self):
+        sgOfferingFactory = DefaultSharedNetworkOfferingWithSGServiceFactory()
+        sgOffering = NetworkOffering.create(apiclient=self.apiClient, NetworkOfferingFactory=sgOfferingFactory)
+        sgOffering.update(self.apiClient, state='Enabled')
+
+    def tearDown(self):
+        pass
\ No newline at end of file