diff --git a/tests/test-repo-filters-tiptoe.t b/tests/test-repo-filters-tiptoe.t
--- a/tests/test-repo-filters-tiptoe.t
+++ b/tests/test-repo-filters-tiptoe.t
@@ -50,3 +50,10 @@
   $ cd test-repo
   $ hg log -r null -T "{node}\n"
   0000000000000000000000000000000000000000
+
+Getting basic changeset inforation about `null`
+
+  $ hg log -r null -T "{node}\n{date}\n"
+  debug.filters: computing revision filter for "visible"
+  0000000000000000000000000000000000000000
+  0.00