testing: Migrate ikev2-stroke-bye scenarios to vici

testing/tests/ikev2/rw-radius-accounting/pretest.dat

@@ -0,0 +1,10 @@
+moon::iptables-restore < /etc/iptables.rules
+carol::iptables-restore < /etc/iptables.rules
+carol::cd /etc/swanctl; rm rsa/* x509/*
+alice::rm /var/log/freeradius/radacct/PH_IP_MOON1/*
+alice::freeradius
+moon::systemctl start strongswan
+carol::systemctl start strongswan
+moon::expect-connection rw-eap
+carol::expect-connection home
+carol::swanctl --initiate --child home 2> /dev/null