tests/test-check-format.t

--- a/tests/test-check-format.t	Tue Jan 21 15:45:06 2020 -0800
+++ b/tests/test-check-format.t	Wed Jan 22 22:23:04 2020 -0800
@@ -1,5 +1,5 @@
 #require black
 
   $ cd $RUNTESTDIR/..
-  $ black --config=black.toml --check --diff `hg files 'set:(**.py + grep("^#!.*python")) - mercurial/thirdparty/** - "contrib/python-zstandard/**"'`
+  $ black --config=black.toml --check --diff `hg files 'set:(**.py + grep("^#!.*python")) - mercurial/thirdparty/**'`