Test: Full TLS test cycle including sending certificate verify and validating server authentication.

Change-Id: I0cdb16b8ec6f94fefc71742d844fe473b932d103
diff --git a/src/test/setup/radius-config/freeradius/certs_3/serial b/src/test/setup/radius-config/freeradius/certs_3/serial
new file mode 100644
index 0000000..75016ea
--- /dev/null
+++ b/src/test/setup/radius-config/freeradius/certs_3/serial
@@ -0,0 +1 @@
+03