--- a/tests/test-commandserver.t	Mon Nov 23 12:20:19 2020 +0100
+++ b/tests/test-commandserver.t	Mon Nov 23 11:18:48 2020 -0800
@@ -90,7 +90,7 @@
   *** runcommand id
   000000000000 tip
   *** runcommand id -runknown
-  abort: unknown revision 'unknown'!
+  abort: unknown revision 'unknown'
    [255]
 
   >>> from hgclient import bprint, check, readchannel
@@ -148,7 +148,7 @@
   ...     runcommand(server, [b'log', b'-b', b'--config=alias.log=!echo pwned',
   ...                         b'default'])
   *** runcommand log -b --config=alias.log=!echo pwned default
-  abort: unknown revision '--config=alias.log=!echo pwned'!
+  abort: unknown revision '--config=alias.log=!echo pwned'
    [255]
 
 check that "histedit --commands=-" can read rules from the input channel:
@@ -731,7 +731,7 @@
 
   $ cd repo
   $ hg serve --cmdserver pipe -R ../nonexistent
-  abort: repository ../nonexistent not found!
+  abort: repository ../nonexistent not found
   [255]
   $ cd ..