--- a/tests/test-fix-topology.t	Fri Oct 16 11:15:00 2020 -0700
+++ b/tests/test-fix-topology.t	Fri Oct 16 15:02:46 2020 -0700
@@ -390,14 +390,11 @@
   o  0 A
   
   $ hg fix -s A
-  abort: fixing obsolete revision could cause divergence
-  [255]
   $ hg fix -s B
-  abort: fixing obsolete revision could cause divergence
+  abort: no changesets specified
+  (use --source or --working-dir)
   [255]
   $ hg fix -s D
-  abort: fixing obsolete revision could cause divergence
-  [255]
   $ hg fix -s E
   $ cd ..