1 files changed, 9 insertions, 10 deletions
diff --git a/deps/npm/test/tap/git-cache-locking.js b/deps/npm/test/tap/git-cache-locking.js
index e08c96e1b7..29ab5709b9 100644
--- a/deps/npm/test/tap/git-cache-locking.js
+++ b/deps/npm/test/tap/git-cache-locking.js
@@ -6,6 +6,7 @@ var mkdirp = require('mkdirp')
 var pkg = path.resolve(__dirname, 'git-cache-locking')
 var tmp = path.join(pkg, 'tmp')
 var cache = path.join(pkg, 'cache')
+var shallowClone = Object.assign || require('util')._extend
 
 test('setup', function (t) {
   rimraf.sync(pkg)
@@ -17,6 +18,12 @@ test('git-cache-locking: install a git dependency', function (t) {
   // disable git integration tests on Travis.
   if (process.env.TRAVIS) return t.end()
 
+  var gitEnv = shallowClone({}, process.env)
+  gitEnv.npm_config_cache = cache
+  gitEnv.npm_config_tmp = tmp
+  gitEnv.npm_config_prefix = pkg
+  gitEnv.npm_config_global = 'false'
+
   // package c depends on a.git#master and b.git#master
   // package b depends on a.git#master
   common.npm([
@@ -24,17 +31,9 @@ test('git-cache-locking: install a git dependency', function (t) {
     'git://github.com/nigelzor/npm-4503-c.git'
   ], {
     cwd: pkg,
-    env: {
-      npm_config_cache: cache,
-      npm_config_tmp: tmp,
-      npm_config_prefix: pkg,
-      npm_config_global: 'false',
-      HOME: process.env.HOME,
-      Path: process.env.PATH,
-      PATH: process.env.PATH
-    }
+    env: gitEnv
   }, function (err, code, stdout, stderr) {
-    t.ifErr(err, 'npm install finished without error')
+    if (err) throw err
     t.equal(0, code, 'npm install should succeed')
     t.end()
   })