diff --git a/tests/test-hook b/tests/test-hook
--- a/tests/test-hook
+++ b/tests/test-hook
@@ -4,6 +4,7 @@ hg init
 echo "[hooks]" > .hg/hgrc
 echo 'precommit = echo precommit hook' >> .hg/hgrc
 echo 'commit = echo commit hook: $NODE' >> .hg/hgrc
+echo 'commit.b = echo commit hook b' >> .hg/hgrc
 echo a > a
 hg add a
 hg commit -m "test" -d "0 0"