testing: wait until connections are loaded

testing/tests/swanctl/dhcp-dynamic/posttest.dat

@@ -4,7 +4,7 @@ carol::service charon stop 2> /dev/null
 dave::service charon stop 2> /dev/null
 moon::service charon stop 2> /dev/null
 venus::cat /var/state/dhcp/dhcpd.leases
-venus::/etc/init.d/isc-dhcp-server stop 2> /dev/null
+venus::server isc-dhcp-server stop 2> /dev/null
 moon::iptables-restore < /etc/iptables.flush
 carol::iptables-restore < /etc/iptables.flush
 dave::iptables-restore < /etc/iptables.flush

testing/tests/swanctl/dhcp-dynamic/pretest.dat

@@ -2,7 +2,7 @@ moon::iptables-restore < /etc/iptables.rules
 carol::iptables-restore < /etc/iptables.rules
 dave::iptables-restore < /etc/iptables.rules
 venus::cat /etc/dhcp/dhcpd.conf
-venus::/etc/init.d/isc-dhcp-server start 2> /dev/null
+venus::service isc-dhcp-server start 2> /dev/null
 moon::service charon start 2> /dev/null
 carol::service charon start 2> /dev/null
 dave::service charon start 2> /dev/null