test: sorted-package-json: don't stomp on error output

iarna · zkat · commit 649c193adadf · 2016-01-19T16:38:07.000-05:00
PR-URL: #10903 Credit: @iarna
diff --git a/test/tap/sorted-package-json.js b/test/tap/sorted-package-json.js
@@ -27,7 +27,7 @@ test("sorting dependencies", function (t) {
   mr({port : common.port}, function (er, s) {
     // underscore is already in the package.json,
     // but --save will trigger a rewrite with sort
-    var child = spawn(node, [npm, "install", "--save", "underscore@1.3.3"], {
+    var child = spawn(node, [npm, "install", "--save", "underscore@1.3.3", "--no-progress", "--loglevel=error"], {
       cwd: pkg,
       env: {
         "npm_config_registry": common.registry,
@@ -38,7 +38,8 @@ test("sorting dependencies", function (t) {
         HOME: process.env.HOME,
         Path: process.env.PATH,
         PATH: process.env.PATH
-      }
+      },
+      stdio: ['ignore', 'ignore', process.stderr]
     })
 
     child.on("close", function (code) {
