Set smoke/gate attributes for tests in "compute"

Change-Id: I3f6d496bd88b10f780b168caeb4b62d9138ae8e4
Implements: blueprint set-gate-attribute
diff --git a/tempest/api/compute/servers/test_server_addresses.py b/tempest/api/compute/servers/test_server_addresses.py
index 7cb78e9..3cd0a91 100644
--- a/tempest/api/compute/servers/test_server_addresses.py
+++ b/tempest/api/compute/servers/test_server_addresses.py
@@ -30,13 +30,13 @@
 
         resp, cls.server = cls.create_server(wait_until='ACTIVE')
 
-    @attr(type='negative')
+    @attr(type=['negative', 'gate'])
     def test_list_server_addresses_invalid_server_id(self):
         # List addresses request should fail if server id not in system
         self.assertRaises(exceptions.NotFound, self.client.list_addresses,
                           '999')
 
-    @attr(type='negative')
+    @attr(type=['negative', 'gate'])
     def test_list_server_addresses_by_network_neg(self):
         # List addresses by network should fail if network name not valid
         self.assertRaises(exceptions.NotFound,