--- a/tests/test-extdata.t	Thu Dec 14 21:30:00 2017 +0800
+++ b/tests/test-extdata.t	Sun Oct 01 12:21:50 2017 +0100
@@ -46,8 +46,8 @@
 test non-zero exit of shell command
 
   $ hg log -qr "extdata(emptygrep)"
-  $ hg log -qr "extdata(emptygrep)" --debug
-  extdata command 'cat extdata.txt | grep empty' exited with status * (glob)
+  abort: extdata command 'cat extdata.txt | grep empty' failed: exited with status 1
+  [255]
 
 test bad extdata() revset source