testing: Migrate ikev2-stroke-bye scenarios to vici

testing/tests/ikev2/net2net-dnscert/posttest.dat

@@ -0,0 +1,8 @@
+moon::systemctl stop strongswan
+sun::systemctl stop strongswan
+moon::rm /etc/swanctl/dnssec.keys
+sun::rm /etc/swanctl/dnssec.keys
+moon::rm /etc/resolv.conf
+sun::rm /etc/resolv.conf
+moon::iptables-restore < /etc/iptables.flush
+sun::iptables-restore < /etc/iptables.flush