diff -r 8e47b43d665f -r 16596f5e1afa tests/test-rename-rev.t
--- a/tests/test-rename-rev.t	Wed May 06 11:41:37 2020 -0700
+++ b/tests/test-rename-rev.t	Wed May 06 11:40:17 2020 -0700
@@ -25,10 +25,9 @@
   abort: --at-rev requires --after
   [255]
 # Errors out with non-existent source
-BROKEN: this should have a better error message
   $ hg cp -A --at-rev . d1/non-existent d1/d
   d1/non-existent: no such file in rev 55d1fd85ef0a
-  abort: --at-rev requires a single source
+  abort: no files to copy
   [255]
 # Errors out with non-existent destination
   $ hg cp -A --at-rev . d1/b d1/non-existent