diff --git a/tests/test-treediscovery.t b/tests/test-treediscovery.t
index bf0a9017d1..271828366e 100644
--- a/tests/test-treediscovery.t
+++ b/tests/test-treediscovery.t
@@ -522,6 +522,7 @@ Both have new stuff in existing named branches:
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=heads HTTP/1.1" 200 -
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
   "GET /?cmd=branchmap HTTP/1.1" 200 -
   "GET /?cmd=branchmap HTTP/1.1" 200 -
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks