--- a/tests/test-push.t	Mon Nov 23 10:38:05 2020 -0800
+++ b/tests/test-push.t	Mon Nov 23 16:39:53 2020 -0800
@@ -387,7 +387,7 @@
   searching for changes
   abort: push creates new remote head [0-9a-f]+ (re)
   (merge or see 'hg help push' for details about pushing new heads)
-  [255]
+  [20]
 (demonstrate that even though we don't have anything to exchange, we're still
 showing the error)
   $ hg push