testing: Adapt tests to retransmission settings and reduce DPD delay/timeout

testing/tests/ikev1/dpd-clear/description.txt

@@ -1,5 +1,5 @@
 The roadwarrior <b>carol</b> sets up an IPsec tunnel connection to the gateway <b>moon</b>
 which in turn activates <b>Dead Peer Detection</b> (DPD) with a polling interval of 10 s.
 When the network connectivity between <b>carol</b> and <b>moon</b> is forcefully disrupted,
-<b>moon</b> clears the connection after 4 unsuccessful retransmits.
+<b>moon</b> clears the connection after a number of unsuccessful retransmits.
 

testing/tests/ikev1/dpd-clear/evaltest.dat

@@ -1,7 +1,7 @@
 carol::ipsec status 2> /dev/null::home.*INSTALLED, TUNNEL::YES
 moon:: ipsec status 2> /dev/null::rw.*INSTALLED, TUNNEL::YES
 carol::iptables -A INPUT -i eth0 -s PH_IP_MOON -j DROP::no output expected::NO
-moon:: sleep 60::no output expected::NO
+moon:: sleep 16::no output expected::NO
 moon:: cat /var/log/daemon.log::sending DPD request::YES
-moon::cat /var/log/daemon.log::DPD check timed out, enforcing DPD action::YES
+moon:: cat /var/log/daemon.log::DPD check timed out, enforcing DPD action::YES
 moon:: ipsec status 2> /dev/null::rw.*INSTALLED::NO

testing/tests/ikev1/dpd-clear/hosts/moon/etc/ipsec.conf

@@ -9,8 +9,8 @@ conn %default
 	keyingtries=1
 	keyexchange=ikev1
 	dpdaction=clear
-	dpddelay=10
-	dpdtimeout=45
+	dpddelay=5
+	dpdtimeout=15
 
 conn rw
 	left=PH_IP_MOON