Skip secgroup invalid name/desc tests until bug 1161411 is fixed

There is an existing review which tries to deal with bug 1161411:

https://review.openstack.org/#/c/34559/

Until there is consensus on how to fix this, skip the compute tests if
neutron is available.

Change-Id: I41bd2232ad4e489daaa8de3902d7e158f3e577bf
diff --git a/tempest/api/compute/security_groups/test_security_groups.py b/tempest/api/compute/security_groups/test_security_groups.py
index 697a839..5bd1e7a 100644
--- a/tempest/api/compute/security_groups/test_security_groups.py
+++ b/tempest/api/compute/security_groups/test_security_groups.py
@@ -123,6 +123,8 @@
         self.assertRaises(exceptions.NotFound, self.client.get_security_group,
                           non_exist_id)
 
+    @testtools.skipIf(config.TempestConfig().service_available.neutron,
+                      "Skipped until the Bug #1161411 is resolved")
     @attr(type=['negative', 'gate'])
     def test_security_group_create_with_invalid_group_name(self):
         # Negative test: Security Group should not be created with group name
@@ -141,6 +143,8 @@
                           self.client.create_security_group, s_name,
                           s_description)
 
+    @testtools.skipIf(config.TempestConfig().service_available.neutron,
+                      "Skipped until the Bug #1161411 is resolved")
     @attr(type=['negative', 'gate'])
     def test_security_group_create_with_invalid_group_description(self):
         # Negative test:Security Group should not be created with description