From 192c25e3e8061284cb6f09c2c0a18fbac092edb2 Mon Sep 17 00:00:00 2001
From: Pooya Parsa <pooya@pi0.ir>
Date: Fri, 25 Aug 2017 17:41:13 +0430
Subject: [PATCH] fix tests

---
 lib/common/utils.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/common/utils.js b/lib/common/utils.js
index bd98117dca..ad0b90bef2 100644
--- a/lib/common/utils.js
+++ b/lib/common/utils.js
@@ -96,7 +96,7 @@ export function isPureObject (o) {
 
 export const isWindows = /^win/.test(process.platform)
 
-export function wp (p) {
+export function wp (p = '') {
   /* istanbul ignore if */
   if (isWindows) {
     return p.replace(/\\/g, '\\\\')
@@ -104,7 +104,7 @@ export function wp (p) {
   return p
 }
 
-export function wChunk (p) {
+export function wChunk (p = '') {
   /* istanbul ignore if */
   if (isWindows) {
     return p.replace(/\//g, '\\\\')