--- a/tests/test-known.t	Mon Nov 07 03:14:55 2011 +0100
+++ b/tests/test-known.t	Mon Nov 07 03:24:53 2011 +0100
@@ -1,3 +1,4 @@
+  $ "$TESTDIR/hghave" serve || exit 80
 
 = Test the known() protocol function =