--- a/tests/test-exchange-obsmarkers-case-A3.t	Mon Nov 23 10:38:05 2020 -0800
+++ b/tests/test-exchange-obsmarkers-case-A3.t	Mon Nov 23 16:39:53 2020 -0800
@@ -201,7 +201,7 @@
   searching for changes
   abort: push creates new remote head e5ea8f9c7314
   (merge or see 'hg help push' for details about pushing new heads)
-  [255]
+  [20]
   $ cd ..
 
 test obsmarkers exchange.