diff --git a/vmware_nsx/tests/unit/nsx_v3/test_plugin.py b/vmware_nsx/tests/unit/nsx_v3/test_plugin.py
index 96f6fc8626..5a7b473ae2 100644
--- a/vmware_nsx/tests/unit/nsx_v3/test_plugin.py
+++ b/vmware_nsx/tests/unit/nsx_v3/test_plugin.py
@@ -96,6 +96,18 @@ def _return_id_key_list(*args, **kwargs):
     return [{'id': uuidutils.generate_uuid()}]
 
 
+def _mock_add_rules_in_section(*args):
+    # NOTE(arosen): the code in the neutron plugin expects the
+    # neutron rule id as the display_name.
+    rules = args[0]
+    return {
+        'rules': [
+            {'display_name': rule['display_name'],
+             'id': uuidutils.generate_uuid()}
+            for rule in rules
+        ]}
+
+
 def _mock_nsx_backend_calls():
     mock.patch("vmware_nsxlib.v3.client.NSX3Client").start()
 
@@ -189,6 +201,9 @@ def _mock_nsx_backend_calls():
                "get_transport_zones",
                return_value=[NSX_TZ_NAME, mock.ANY]).start()
 
+    mock.patch("vmware_nsxlib.v3.security.NsxLibFirewallSection.add_rules",
+               side_effect=_mock_add_rules_in_section).start()
+
 
 class NsxV3PluginTestCaseMixin(test_plugin.NeutronDbPluginV2TestCase,
                                nsxlib_testcase.NsxClientTestCase):