testing: Improve runtime of TNC tests by storing the SQLite DB in ramfs

This saves about 50%-70% of the time needed for scenarios that use a DB.

testing/tests/tnc/tnccs-20-os/pretest.dat

@@ -3,6 +3,9 @@ carol::iptables-restore < /etc/iptables.rules
 dave::iptables-restore < /etc/iptables.rules
 carol::echo 0 > /proc/sys/net/ipv4/ip_forward
 dave::echo aabbccddeeff11223344556677889900 > /var/lib/dbus/machine-id
+moon::mv /etc/pts/data1.sql /tmp/
+moon::mount -t ramfs -o size=5m ramfs /etc/pts
+moon::mv /tmp/data1.sql /etc/pts/
 moon::sed -i "s/NOW/`date +%s`/g" /etc/pts/data1.sql
 moon::sed -i "s:DEBIAN_VERSION:\`cat /etc/debian_version\`:" /etc/pts/data1.sql
 moon::cd /usr/local/share/strongswan/templates/database/imv; cat tables.sql data.sql /etc/pts/data1.sql | sqlite3 /etc/pts/config.db