diff --git a/test/request/query.js b/test/request/query.js
index 30f47af..5fba3f4 100644
--- a/test/request/query.js
+++ b/test/request/query.js
@@ -2,12 +2,13 @@
 'use strict';
 
 const context = require('../helpers/context');
+const should = require('should');
 
 describe('ctx.query', () => {
   describe('when missing', () => {
     it('should return an empty object', () => {
       const ctx = context({ url: '/' });
-      ctx.query.should.eql({});
+      should(ctx.query).empty;
     });
 
     it('should return the same object each time it\'s accessed', done => {
diff --git a/test/request/querystring.js b/test/request/querystring.js
index fcda988..b6ad167 100644
--- a/test/request/querystring.js
+++ b/test/request/querystring.js
@@ -3,6 +3,7 @@
 
 const context = require('../helpers/context');
 const parseurl = require('parseurl');
+const should = require('should');
 
 describe('ctx.querystring', () => {
   it('should return the querystring', () => {
@@ -32,10 +33,8 @@ describe('ctx.querystring=', () => {
     ctx.querystring = 'page=2&color=blue';
     ctx.url.should.equal('/store/shoes?page=2&color=blue');
     ctx.search.should.equal('?page=2&color=blue');
-    ctx.query.should.eql({
-      page: '2',
-      color: 'blue'
-    });
+    should(ctx.query).have.property('page', '2');
+    should(ctx.query).have.property('color', 'blue');
   });
 
   it('should change .url but not .originalUrl', () => {
diff --git a/test/request/search.js b/test/request/search.js
index 02135d0..7bd5485 100644
--- a/test/request/search.js
+++ b/test/request/search.js
@@ -2,6 +2,7 @@
 'use strict';
 
 const context = require('../helpers/context');
+const should = require('should');
 
 describe('ctx.search=', () => {
   it('should replace the search', () => {
@@ -16,10 +17,8 @@ describe('ctx.search=', () => {
     ctx.search = '?page=2&color=blue';
     ctx.url.should.equal('/store/shoes?page=2&color=blue');
     ctx.querystring.should.equal('page=2&color=blue');
-    ctx.query.should.eql({
-      page: '2',
-      color: 'blue'
-    });
+    should(ctx.query).have.property('page', '2');
+    should(ctx.query).have.property('color', 'blue');
   });
 
   it('should change .url but not .originalUrl', () => {
diff --git a/test/response/attachment.js b/test/response/attachment.js
index ffd6aa6..7721d07 100644
--- a/test/response/attachment.js
+++ b/test/response/attachment.js
@@ -27,7 +27,7 @@ describe('ctx.attachment([filename])', () => {
     it('should set the encodeURI filename param', () => {
       const ctx = context();
       ctx.attachment('path/to/include-no-ascii-char-中文名-ok.png');
-      const str = 'attachment; filename=\"include-no-ascii-char-???-ok.png\"; filename*=UTF-8\'\'include-no-ascii-char-%E4%B8%AD%E6%96%87%E5%90%8D-ok.png';
+      const str = 'attachment; filename="include-no-ascii-char-???-ok.png"; filename*=UTF-8\'\'include-no-ascii-char-%E4%B8%AD%E6%96%87%E5%90%8D-ok.png';
       ctx.response.header['content-disposition'].should.equal(str);
     });