testing: Added tnc/tnccs-20-ev-pt-tls scenario

testing/tests/tnc/tnccs-20-ev-pt-tls/posttest.dat

@@ -0,0 +1,10 @@
+carol::ip route del 10.1.0.0/16 via 192.168.0.1
+dave::ip route del 10.1.0.0/16 via 192.168.0.1
+winnetou::ip route del 10.1.0.0/16 via 192.168.0.1
+alice::service charon stop
+alice::service apache2 stop
+alice::rm /etc/swanctl/rsa/aaaKey.pem
+alice::rm /etc/swanctl/x509/aaaCert.pem
+alice::iptables-restore < /etc/iptables.flush
+carol::iptables-restore < /etc/iptables.flush
+dave::iptables-restore < /etc/iptables.flush