tests/tdef: tune logging, also match stderr

Change-Id: I7f346dfbec9e724e905d26990a978495d3a9b030
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 478dd48..8d510d5 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -466,6 +466,7 @@
 	     oap/oap_client_test.ok oap/oap_client_test.err		\
 	     vty/vty_transcript_test.vty				\
 	     tdef/tdef_test.ok \
+	     tdef/tdef_test.err \
 	     tdef/tdef_test_range_64bit.ok \
 	     tdef/tdef_vty_config_root_test.vty	\
 	     tdef/tdef_vty_config_subnode_test.vty \
@@ -676,7 +677,8 @@
 	gsm23236/gsm23236_test \
 		>$(srcdir)/gsm23236/gsm23236_test.ok
 	tdef/tdef_test \
-		>$(srcdir)/tdef/tdef_test.ok
+		>$(srcdir)/tdef/tdef_test.ok \
+		2>$(srcdir)/tdef/tdef_test.err
 	sockaddr_str/sockaddr_str_test \
 		>$(srcdir)/sockaddr_str/sockaddr_str_test.ok
 	use_count/use_count_test \