From b41d215f2856e07e12773bf20c3153d0de04a217 Mon Sep 17 00:00:00 2001
From: Kai Cataldo <kaicataldo@gmail.com>
Date: Fri, 6 Oct 2017 12:47:59 -0400
Subject: [PATCH] tools: replace string concat

PR-URL: https://github.com/nodejs/node/pull/15850
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 tools/test-npm-package.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/test-npm-package.js b/tools/test-npm-package.js
index 4acad2067f0..00e9a81928a 100755
--- a/tools/test-npm-package.js
+++ b/tools/test-npm-package.js
@@ -39,7 +39,7 @@ function spawnCopyDeepSync(source, destination) {
 function runNPMPackageTests({ srcDir, install, rebuild, testArgs, logfile }) {
   // Make sure we don't conflict with concurrent test runs
   const srcHash = createHash('md5').update(srcDir).digest('hex');
-  common.tmpDir = common.tmpDir + '.npm.' + srcHash;
+  common.tmpDir = `${common.tmpDir}.npm.${srcHash}`;
   common.refreshTmpDir();
 
   const tmpDir = common.tmpDir;