Check project connectivity on port admin state

Ensure connectivity between two Nova instances on same project network is
stopped when setting instance port admin_state_up=False.

Change-Id: Icef7f9b7cb79d8ab0be069b16cb801856bb9b922
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index af313a5..b0a3207 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -617,29 +617,44 @@
     def test_update_instance_port_admin_state(self):
         """Test to update admin_state_up attribute of instance port
 
-        1. Check public connectivity before updating
+        1. Check public and project connectivity before updating
                 admin_state_up attribute of instance port to False
-        2. Check public connectivity after updating
+        2. Check public and project connectivity after updating
                 admin_state_up attribute of instance port to False
-        3. Check public connectivity after updating
+        3. Check public and project connectivity after updating
                 admin_state_up attribute of instance port to True
         """
         self._setup_network_and_servers()
         floating_ip, server = self.floating_ip_tuple
         server_id = server['id']
         port_id = self._list_ports(device_id=server_id)[0]['id']
+        server_pip = server['addresses'][self.network['name']][0]['addr']
+
+        server2 = self._create_server(self.network)
+        server2_fip = self.create_floating_ip(server2)
+
+        private_key = self._get_server_key(server2)
+        ssh_client = self.get_remote_client(server2_fip['floating_ip_address'],
+                                            private_key=private_key)
+
         self.check_public_network_connectivity(
             should_connect=True, msg="before updating "
             "admin_state_up of instance port to False")
+        self._check_remote_connectivity(ssh_client, dest=server_pip,
+                                        should_succeed=True)
         self.ports_client.update_port(port_id, admin_state_up=False)
         self.check_public_network_connectivity(
             should_connect=False, msg="after updating "
             "admin_state_up of instance port to False",
             should_check_floating_ip_status=False)
+        self._check_remote_connectivity(ssh_client, dest=server_pip,
+                                        should_succeed=False)
         self.ports_client.update_port(port_id, admin_state_up=True)
         self.check_public_network_connectivity(
             should_connect=True, msg="after updating "
             "admin_state_up of instance port to True")
+        self._check_remote_connectivity(ssh_client, dest=server_pip,
+                                        should_succeed=True)
 
     @test.idempotent_id('759462e1-8535-46b0-ab3a-33aa45c55aaa')
     @test.services('compute', 'network')