- For SNAT case if floating IP is configured check for route with longer
prefix length, and prefer route from floating IP vn if prefix length is same
- For DNAT case if floating IP is configured check if destination IP matches
any of the configured floating IP.
- Test case updated.

Change-Id: I5e5268fd91d8a20716e509439e6a6a92c101602f
Merge "- For SNAT case if floating IP is configured check for route with longer prefix length, and prefer route from floating IP vn if prefix length is same - For DNAT case if floating IP is configured check if destination IP matches any of the configured floating IP. - Test case updated."