Added examples and cleared out actual values to ensure that those need to be filled in before running tests.

test.inc

@@ -2,9 +2,29 @@
 # This file includes parameters needed for running tests and may be included
 # in makefiles in test directories if seen useful.
 # 
+# hostname or IP address of MaxScale's host, for example:
+#
+# THOST         := 127.0.0.1
+#
+THOST           := 
 
-THOST           := 127.0.0.1
-TPORT_RCONN     := 4008
-TPORT_RW        := 4006
-TUSER           := maxuser
-TPWD            := maxpwd
+#
+# port of read connection router module, for example:
+# TPORT_RCONN   := 4008
+#
+TPORT_RCONN     :=
+#
+# port of read/write split router module, for example:
+# TPORT_RW      := 4006
+#
+TPORT_RW        :=
+#
+# username of MaxScale user, for example:
+# TUSER         := maxuser
+#
+TUSER           :=
+#
+# password of MaxScale user, for example:
+# TPWD          := maxpwd
+#
+TPWD            :=