Update offline deployment test

Change-Id: I3c935be8ad6f038ce6c25221de6d09e93619c94d
diff --git a/tcp_tests/templates/physical-mcp-ocata-offline-ovs/underlay--user-data.yaml b/tcp_tests/templates/physical-mcp-ocata-offline-ovs/underlay--user-data.yaml
index aab7cde..0c365ac 100644
--- a/tcp_tests/templates/physical-mcp-ocata-offline-ovs/underlay--user-data.yaml
+++ b/tcp_tests/templates/physical-mcp-ocata-offline-ovs/underlay--user-data.yaml
@@ -66,6 +66,7 @@
    #- sudo iptables -D INPUT -p tcp --dport 22 -j DROP
    - apt-get install linux-generic-hwe-16.04 -y
    - reboot
+   - touch /is_cloud_init_finish
    ########################################################
 
   write_files: