attach_interfaces as smoke

attach_interfaces is neutron specific test,
 so it should have the smoke flag.

Change-Id: Ia438a2fa1eeed5aa7ce9a733aefe39b28dc2e187
diff --git a/tempest/api/compute/servers/test_attach_interfaces.py b/tempest/api/compute/servers/test_attach_interfaces.py
index a177cea..dbb7d75 100644
--- a/tempest/api/compute/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/servers/test_attach_interfaces.py
@@ -92,7 +92,7 @@
 
         self.assertEqual(sorted(list1), sorted(list2))
 
-    @attr(type='gate')
+    @attr(type='smoke')
     def test_create_list_show_delete_interfaces(self):
         server, ifs = self._create_server_get_interfaces()
         interface_count = len(ifs)
diff --git a/tempest/api/compute/v3/servers/test_attach_interfaces.py b/tempest/api/compute/v3/servers/test_attach_interfaces.py
index f208a4b..d12f708 100644
--- a/tempest/api/compute/v3/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/v3/servers/test_attach_interfaces.py
@@ -92,7 +92,7 @@
 
         self.assertEqual(sorted(list1), sorted(list2))
 
-    @attr(type='gate')
+    @attr(type='smoke')
     def test_create_list_show_delete_interfaces(self):
         server, ifs = self._create_server_get_interfaces()
         interface_count = len(ifs)