From 39ef8299cefea160458d3fac489fd2db8e7250e3 Mon Sep 17 00:00:00 2001
From: Douglas Duteil <douglasduteil@gmail.com>
Date: Thu, 9 Aug 2018 08:23:45 +0200
Subject: [PATCH] fix(test): calling an asynchronous function without callback
 is deprecated

`fs` asynchronous functions now demand a callback. see https://nodejs.org/docs/latest-v8.x/api/fs.html#fs_fs_readfile_path_options_callback
---
 test/setup.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/setup.js b/test/setup.js
index ed1e8b8..ae5bd8f 100644
--- a/test/setup.js
+++ b/test/setup.js
@@ -27,7 +27,7 @@ function compareFixtures(name, msg, opts, postcssOpts, plugin) {
               const expected = read(`fixtures/${name}.expected`);
 
             // handy thing: checkout actual in the *.actual.css file
-              fs.writeFile(`test/fixtures/${name}.actual.css`, actual);
+              fs.writeFileSync(`test/fixtures/${name}.actual.css`, actual);
 
               assert.equal(actual, expected);
           });