testing: Add a failing client to the ikev2/rw-eap-tls-only scenario

testing/tests/ikev2/rw-eap-tls-only/test.conf

@@ -5,11 +5,11 @@
 
 # All guest instances that are required for this test
 #
-VIRTHOSTS="alice carol moon"
+VIRTHOSTS="alice carol dave moon"
 
 # Corresponding block diagram
 #
-DIAGRAM="a-m-c.png"
+DIAGRAM="a-m-c-w-d.png"
 
 # Guest instances on which tcpdump is to be started
 #
@@ -18,7 +18,7 @@ TCPDUMPHOSTS="moon"
 # Guest instances on which IPsec is started
 # Used for IPsec logging purposes
 #
-IPSECHOSTS="moon carol"
+IPSECHOSTS="moon carol dave"
 
 # charon controlled by swanctl
 #