Update offline deployment test

Change-Id: I3c935be8ad6f038ce6c25221de6d09e93619c94d
diff --git a/tcp_tests/templates/physical-mcp-ocata-offline-ovs/underlay--user-data-apt01.yaml b/tcp_tests/templates/physical-mcp-ocata-offline-ovs/underlay--user-data-apt01.yaml
index 6978bd3..838435c 100644
--- a/tcp_tests/templates/physical-mcp-ocata-offline-ovs/underlay--user-data-apt01.yaml
+++ b/tcp_tests/templates/physical-mcp-ocata-offline-ovs/underlay--user-data-apt01.yaml
@@ -48,6 +48,7 @@
    # Node is ready, allow SSH access
    - echo "Allow SSH access ..."
    - sudo iptables -D INPUT -p tcp --dport 22 -j DROP
+   - touch /is_cloud_init_finish
    ########################################################
 
   write_files: