--- a/tests/test-lfs.t	Tue Jan 23 21:29:45 2018 -0500
+++ b/tests/test-lfs.t	Wed Jan 24 22:26:28 2018 -0500
@@ -18,6 +18,10 @@
 # Commit small file
   $ echo s > smallfile
   $ echo '**.py = LF' > .hgeol
+  $ hg --config lfs.track='"size(\">1000B\")"' commit -Aqm "add small file"
+  hg: parse error: unsupported file pattern: size(">1000B")
+  (paths must be prefixed with "path:")
+  [255]
   $ hg --config lfs.track='size(">1000B")' commit -Aqm "add small file"
 
 # Commit large file