--- a/tests/test-sparse-revlog.t	Sat Mar 02 09:41:17 2019 +0900
+++ b/tests/test-sparse-revlog.t	Wed Feb 27 10:49:25 2019 +0100
@@ -40,8 +40,7 @@
   > maxchainlen = 15
   > [storage]
   > revlog.optimize-delta-parent-choice = yes
-  > [format]
-  > generaldelta = yes
+  > revlog.reuse-external-delta-parent = no
   > EOF
   $ hg init sparse-repo
   $ cd sparse-repo