diff --git a/test/utils/index.test.js b/test/utils/index.test.js
index 06376f4e..d2f065be 100644
--- a/test/utils/index.test.js
+++ b/test/utils/index.test.js
@@ -3,7 +3,6 @@
 const mm = require('mm');
 const os = require('os');
 const utils = require('../../lib/utils');
-const should = require('should');
 
 describe('test/utils/index.test.js', () => {
 
@@ -21,11 +20,9 @@ describe('test/utils/index.test.js', () => {
 
     it('should return /home/admin when process.env.HOME is not exist', () => {
       mm(process.env, 'HOME', '');
-      if (os.userInfo && os.userInfo().homedir) {
-        should.ok(utils.getHomedir().indexOf(process.env.USER) > -1);
-      } else {
-        utils.getHomedir().should.equal('/home/admin');
-      }
+      mm(os, 'userInfo', null);
+      mm(os, 'homedir', null);
+      utils.getHomedir().should.equal('/home/admin');
     });
   });
 });