Test suite comment tweaks.
diff --git a/scripts/test/sort.test b/scripts/test/sort.test
index 389b9fd..cb82dc0 100755
--- a/scripts/test/sort.test
+++ b/scripts/test/sort.test
@@ -1,10 +1,9 @@
 #!/bin/bash
 
-# SUSv3 compliant sort tests.
-# Copyright 2005 by Rob Landley <rob@landley.net>
-# Licensed under GPL v2, see file LICENSE for details.
+# SUSv4 compliant sort tests.
+# Copyright 2005, 2012 by Rob Landley <rob@landley.net>
 
-. testing.sh
+[ -f testing.sh ] && . testing.sh
 
 # The basic tests.  These should work even with the small config.