Skip failing test load balancing test

The load balancing scenario does not work when isolated testing is
active.  We should skip this test for now.

Related-Bug: 1277381
Change-Id: Ifc690ee4825e49a8896b0bd750e2a2e75f295c5c
diff --git a/tempest/scenario/test_load_balancer_basic.py b/tempest/scenario/test_load_balancer_basic.py
index f4ca958..ff4bcff 100644
--- a/tempest/scenario/test_load_balancer_basic.py
+++ b/tempest/scenario/test_load_balancer_basic.py
@@ -218,6 +218,7 @@
         self.assertEqual(5, resp.count("server1\n"))
         self.assertEqual(5, resp.count("server2\n"))
 
+    @test.skip_because(bug="1277381")
     @test.attr(type='smoke')
     @test.services('compute', 'network')
     def test_load_balancer_basic(self):