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

testing/tests/tnc/tnccs-11-radius-pts/hosts/alice/etc/strongswan.conf

@@ -3,11 +3,11 @@
 libimcv {
   load = random nonce openssl pubkey sqlite
   debug_level = 3 
-  database = sqlite:///etc/pts/config.db
+  database = sqlite:///etc/db.d/config.db
   policy_script = ipsec imv_policy_manager
   assessment_result = no
 }
 
 attest {
-  database = sqlite:///etc/pts/config.db
+  database = sqlite:///etc/db.d/config.db
 }

testing/tests/tnc/tnccs-11-radius-pts/posttest.dat

@@ -3,7 +3,6 @@ carol::ipsec stop
 dave::ipsec stop
 alice::killall radiusd
 alice::rm /etc/freeradius/sites-enabled/inner-tunnel-second
-alice::umount /etc/pts
 carol::echo 1 > /proc/sys/net/ipv4/ip_forward
 moon::iptables-restore < /etc/iptables.flush
 carol::iptables-restore < /etc/iptables.flush

testing/tests/tnc/tnccs-11-radius-pts/pretest.dat

@@ -5,11 +5,8 @@ carol::echo 0 > /proc/sys/net/ipv4/ip_forward
 dave::echo aabbccddeeff11223344556677889900 > /var/lib/dbus/machine-id
 alice::ln -s /etc/freeradius/sites-available/inner-tunnel-second /etc/freeradius/sites-enabled/inner-tunnel-second
 alice::cat /etc/freeradius/sites-enabled/inner-tunnel-second
-alice::mv /etc/pts/data1.sql /tmp/
-alice::mount -t ramfs -o size=5m ramfs /etc/pts
-alice::mv /tmp/data1.sql /etc/pts/
 alice::sed -i "s:DEBIAN_VERSION:\`cat /etc/debian_version\`:" /etc/pts/data1.sql
-alice::cd /usr/local/share/strongswan/templates/database/imv; cat tables.sql data.sql /etc/pts/data1.sql | sqlite3 /etc/pts/config.db
+alice::cd /usr/local/share/strongswan/templates/database/imv; cat tables.sql data.sql /etc/pts/data1.sql | sqlite3 /etc/db.d/config.db
 alice::LEAK_DETECTIVE_DISABLE=1 LOG4CXX_CONFIGURATION=/etc/tnc/log4cxx.properties radiusd
 alice::cat /etc/tnc_config
 carol::cat /etc/tnc_config

testing/tests/tnc/tnccs-11-radius-pts/test.conf

@@ -24,3 +24,6 @@ IPSECHOSTS="moon carol dave"
 #
 RADIUSHOSTS="alice"
 
+# Guest instances on which databases are used
+#
+DBHOSTS="alice"