ctrl_test: show memleak when receiving GET_REPLY and SET_REPLY commands

The "memleak!" output shows messages that lack a talloc_free() of the parsed
ctrl command buffer. The leak shall be fixed in a subsequent patch.

Change-Id: I2c3e4d08b769b9cd77593362ea36a28d681cd042
diff --git a/tests/ctrl/ctrl_test.ok b/tests/ctrl/ctrl_test.ok
index edf97ea..9ddcfdb 100644
--- a/tests/ctrl/ctrl_test.ok
+++ b/tests/ctrl/ctrl_test.ok
@@ -160,3 +160,21 @@
 handling:
 replied: 'ERROR \t Command not found'
 ok
+test: 'GET_REPLY 1 variable OK'
+parsing:
+id = '1'
+variable = 'variable'
+value = '(null)'
+reply = 'OK'
+handling:
+mem leak!
+ok
+test: 'SET_REPLY 1 variable OK'
+parsing:
+id = '1'
+variable = 'variable'
+value = '(null)'
+reply = 'OK'
+handling:
+mem leak!
+ok