testing: Reduce runtime of all tests that use SQLite databases by storing them in ramfs

testing/tests/ikev2/ip-pool-db/posttest.dat

@@ -7,4 +7,3 @@ dave::iptables-restore < /etc/iptables.flush
 moon::ipsec pool --del bigpool 2> /dev/null
 moon::ipsec pool --del dns 2> /dev/null
 moon::ipsec pool --del nbns 2> /dev/null
-moon::rm /etc/ipsec.d/ipsec.*