Add test for issue nodejs#8830

nodejs/node-v0.x-archive#8830
https://groups.google.com/forum/#!searchin/nodejs/node_modules$20security/nodejs/5BGr5dliUIk/abJEH3sPymcJ

test/simple/test-module-nodemodulepaths.js

@@ -26,17 +26,40 @@ var module = require('module');
 
 var isWindows = process.platform === 'win32';
 
-var file, delimiter, paths;
+var file, delimiter, paths, expected_paths, old_home;
 
 if (isWindows) {
   file = 'C:\\Users\\Rocko Artischocko\\node_stuff\\foo';
   delimiter = '\\'
+  expected_paths = [
+    'C:\\Users\\Rocko Artischocko\\node_stuff\\foo\\node_modules',
+    'C:\\Users\\Rocko Artischocko\\node_stuff\\node_modules',
+    'C:\\Users\\Rocko Artischocko\\node_modules'
+  ];
+  old_home = process.env.USERPROFILE;
+  process.env.USERPROFILE = 'C:\\Users\\Rocko Artischocko';
 } else {
   file = '/usr/test/lib/node_modules/npm/foo';
   delimiter = '/'
+  expected_paths = [
+    '/usr/test/lib/node_modules/npm/foo/node_modules',
+    '/usr/test/lib/node_modules/npm/node_modules',
+    '/usr/test/lib/node_modules',
+    '/usr/test/node_modules'
+  ];
+  old_home = process.env.HOME;
+  process.env.HOME = '/usr/test';
 }
 
 paths = module._nodeModulePaths(file);
 
 assert.ok(paths.indexOf(file + delimiter + 'node_modules') !== -1);
-assert.ok(Array.isArray(paths));
+assert.deepEqual(expected_paths, paths);
+assert.ok(Array.isArray(paths));
+
+// Restore mocked home directory environment variables for other tests
+if (isWindows) {
+  process.env.USERPROFILE = old_home;
+} else {
+  process.env.HOME = old_home;
+}