Add designate proxy classes to generated models

On openstack proxy missing the configuration for port 9001
which redirects designate API requests to the openstack VIP

Change-Id: Iab438a094e9b3175f99ac64532fad87937932a44
diff --git a/tcp_tests/templates/virtual-mcp-pike-ovs/_context-environment.yaml b/tcp_tests/templates/virtual-mcp-pike-ovs/_context-environment.yaml
index 63cedf1..3e05cf0 100644
--- a/tcp_tests/templates/virtual-mcp-pike-ovs/_context-environment.yaml
+++ b/tcp_tests/templates/virtual-mcp-pike-ovs/_context-environment.yaml
@@ -65,6 +65,7 @@
       reclass_storage_name: openstack_proxy_node01
       roles:
       - openstack_proxy
+      - features_designate_bind9_proxy
       - linux_system_codename_xenial
       interfaces:
         ens3: