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

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

@@ -5,6 +5,8 @@ charon {
 
   multiple_authentication=no
 
+  retransmit_tries = 5
+
   plugins {
     eap-tnc {
       protocol = tnccs-1.1

testing/tests/tnc/tnccs-20-os-pts/hosts/dave/etc/strongswan.conf

@@ -5,6 +5,8 @@ charon {
 
   multiple_authentication = no
 
+  retransmit_tries = 5
+
   plugins {
     tnc-imc {
       preferred_language = de

testing/tests/tnc/tnccs-20-pdp-eap/hosts/carol/etc/strongswan.conf

@@ -3,6 +3,8 @@
 charon {
   load = aes des sha1 sha2 md5 pem pkcs1 gmp random nonce x509 curl revocation hmac stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
 
+  retransmit_timeout =
+
   plugins {
     eap-ttls {
       max_message_count = 0

testing/tests/tnc/tnccs-20-pdp-eap/hosts/dave/etc/strongswan.conf

@@ -3,7 +3,9 @@
 charon {
   load = aes des sha1 sha2 md5 pem pkcs1 gmp random nonce x509 curl revocation hmac stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
 
-  plugins {    
+  retransmit_timeout =
+
+  plugins {
    eap-ttls {
       max_message_count = 0
     }

testing/tests/tnc/tnccs-20-pts-no-ecc/hosts/dave/etc/strongswan.conf

@@ -3,6 +3,8 @@
 charon {
   load = aes md5 sha1 sha2 hmac gmp pem pkcs1 random nonce x509 curl revocation stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
 
+  retransmit_timeout =
+
   multiple_authentication = no
 
   plugins {

testing/tests/tnc/tnccs-20-pts/hosts/dave/etc/strongswan.conf

@@ -3,6 +3,8 @@
 charon {
   load = openssl curl pem pkcs1 random nonce revocation stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
 
+  retransmit_timeout =
+
   multiple_authentication = no
   plugins {
     tnc-imc {

testing/tests/tnc/tnccs-20-pts/hosts/moon/etc/strongswan.conf

@@ -3,6 +3,8 @@
 charon {
   load = openssl curl pem pkcs1 random nonce revocation stroke kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-imv tnc-tnccs tnccs-20 updown sqlite
 
+  retransmit_timeout =
+
   multiple_authentication = no
 
   plugins {