diff --git a/Gruntfile.coffee b/Gruntfile.coffee
index 4dfe6467f..096ec6707 100644
--- a/Gruntfile.coffee
+++ b/Gruntfile.coffee
@@ -184,7 +184,10 @@ module.exports = (grunt) ->
       spawn cmd: 'pkill', args: ['Atom'], -> callback()
     commands.push (callback) ->
       atomBinary = path.join(CONTENTS_DIR, 'MacOS', 'Atom')
-      spawn  cmd: atomBinary, args: ['--test', "--resource-path=#{__dirname}"], (error) -> callback(error)
+      spawn  cmd: atomBinary, args: ['--test', "--resource-path=#{__dirname}"], (error, result) ->
+        process.stderr.write(result.stderr)
+        process.stdout.write(result.stdout)
+        callback(error)
     grunt.util.async.waterfall commands, (error) -> done(error)
 
   grunt.registerTask('compile', ['coffee', 'less', 'cson'])