--- a/tests/test-share-safe.t	Wed Jan 13 22:37:21 2021 -0800
+++ b/tests/test-share-safe.t	Thu Jan 14 11:53:55 2021 -0800
@@ -92,7 +92,7 @@
       extdiff       command to allow external programs to compare revisions
   
   (use 'hg help extensions' for information on enabling extensions)
-  [255]
+  [10]
 
   $ echo "[extensions]" >> ../source/.hg/hgrc
   $ echo "extdiff=" >> ../source/.hg/hgrc