test: update the test config

scripts/conf-test/old-confs/e5.3.2.conf

@@ -1,3 +1,14 @@
+node {
+  name = "emqx@127.0.0.1"
+  cookie = "emqxsecretcookie"
+  data_dir = "data"
+}
+
+cluster {
+  name = emqxcl
+  discovery_strategy = manual
+}
+
 actions {
   http {
     x_WH_D {