Add test: Editing and deleting port forwarding TCP rule

After editing or deleting pf rule, the change shall be applied
in the relevant router's ip-tables.
This test checks that traffic is properly routed after making
changes to port forwarding TCP rule.

Co-Authored-By: Flavio Fernandes <flaviof@redhat.com>
Co-Authored-By: Slawek Kaplonski <skaplons@redhat.com>
Change-Id: I07b57c901eb1110caae2b60be4584bed0cefdec4
2 files changed