--- a/tests/test-requires.t	Tue May 31 19:16:18 2011 +0200
+++ b/tests/test-requires.t	Tue May 31 19:16:25 2011 +0200
@@ -9,5 +9,5 @@
   [255]
   $ echo indoor-pool > .hg/requires
   $ hg tip
-  abort: requirement 'indoor-pool' not supported!
+  abort: unknown repository format: requires feature 'indoor-pool' (upgrade Mercurial)!
   [255]