--- a/tests/test-hook.t	Mon Nov 07 03:14:55 2011 +0100
+++ b/tests/test-hook.t	Mon Nov 07 03:14:55 2011 +0100
@@ -1,3 +1,5 @@
+  $ "$TESTDIR/hghave" system-sh || exit 80
+
 commit hooks can see env vars
 
   $ hg init a
changeset 15445	7cbb81c47025
parent 15131	7c26ce9edbd2
child 15580	5a7733563c2e