diff -r 5d0d510d2db1 -r 40943970b7ae tests/test-branches.t
--- a/tests/test-branches.t	Mon Mar 04 04:13:33 2024 +0100
+++ b/tests/test-branches.t	Mon Mar 04 04:16:15 2024 +0100
@@ -2,8 +2,8 @@
 
 #if mmap
   $ cat <<EOF >> $HGRCPATH
-  > [format]
-  > mmap-revbranchcache=true
+  > [storage]
+  > revbranchcache.mmap=true
   > EOF
 #endif