diff --git a/lib/response.js b/lib/response.js
index 7cef359..5d064cd 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -3,6 +3,7 @@
  * Module dependencies.
  */
 
+var contentDisposition = require('content-disposition');
 var ensureErrorHandler = require('error-inject');
 var getType = require('mime-types').contentType;
 var onFinish = require('on-finished');
@@ -15,7 +16,6 @@ var assert = require('assert');
 var http = require('http');
 var path = require('path');
 var vary = require('vary');
-var contentDisposition = require('content-disposition');
 var basename = path.basename;
 var extname = path.extname;
 
diff --git a/test/application.js b/test/application.js
index 32bf55f..25a8035 100644
--- a/test/application.js
+++ b/test/application.js
@@ -1,11 +1,11 @@
 
+var stderr = require('test-console').stderr;
 var request = require('supertest');
 var statuses = require('statuses');
 var assert = require('assert');
 var http = require('http');
 var koa = require('..');
 var fs = require('fs');
-var stderr = require('test-console').stderr;
 var AssertionError = assert.AssertionError;
 
 describe('app', function(){
diff --git a/test/context/cookies.js b/test/context/cookies.js
index 7cdfcf3..cb90075 100644
--- a/test/context/cookies.js
+++ b/test/context/cookies.js
@@ -1,6 +1,6 @@
 
-var koa = require('../..')
 var request = require('supertest');
+var koa = require('../..')
 
 describe('ctx.cookies.set()', function(){
   it('should set an unsigned cookie', function(done){
@@ -78,4 +78,4 @@ describe('ctx.cookies.set()', function(){
       })
     })
   })
-})
\ No newline at end of file
+})
diff --git a/test/context/onerror.js b/test/context/onerror.js
index f270bc3..6aecfbe 100644
--- a/test/context/onerror.js
+++ b/test/context/onerror.js
@@ -1,6 +1,6 @@
 
-var koa = require('../..');
 var request = require('supertest');
+var koa = require('../..');
 
 describe('ctx.onerror(err)', function(){
   it('should respond', function(done){
diff --git a/test/request/host.js b/test/request/host.js
index d378759..18d63e5 100644
--- a/test/request/host.js
+++ b/test/request/host.js
@@ -1,6 +1,6 @@
 
-var assert = require('assert');
 var request = require('../context').request;
+var assert = require('assert');
 
 describe('req.host', function(){
   it('should return host with port', function(){
diff --git a/test/request/hostname.js b/test/request/hostname.js
index a2af5b6..43ec62c 100644
--- a/test/request/hostname.js
+++ b/test/request/hostname.js
@@ -1,6 +1,6 @@
 
-var assert = require('assert');
 var request = require('../context').request;
+var assert = require('assert');
 
 describe('req.hostname', function(){
   it('should return hostname void of port', function(){
diff --git a/test/request/inspect.js b/test/request/inspect.js
index f707fa3..1c9db75 100644
--- a/test/request/inspect.js
+++ b/test/request/inspect.js
@@ -1,6 +1,6 @@
 
-var assert = require('assert');
 var request = require('../context').request;
+var assert = require('assert');
 
 describe('req.inspect()', function(){
   describe('with no request.req present', function(){
diff --git a/test/request/length.js b/test/request/length.js
index 83920d0..5894da1 100644
--- a/test/request/length.js
+++ b/test/request/length.js
@@ -1,6 +1,6 @@
 
-var assert = require('assert');
 var request = require('../context').request;
+var assert = require('assert');
 
 describe('ctx.length', function(){
   it('should return length in content-length', function(){
diff --git a/test/request/type.js b/test/request/type.js
index 0468f17..124d9b1 100644
--- a/test/request/type.js
+++ b/test/request/type.js
@@ -1,6 +1,6 @@
 
-var assert = require('assert');
 var request = require('../context').request;
+var assert = require('assert');
 
 describe('req.type', function(){
   it('should return type void of parameters', function(){
diff --git a/test/response/attachment.js b/test/response/attachment.js
index f39097f..abb5612 100644
--- a/test/response/attachment.js
+++ b/test/response/attachment.js
@@ -1,6 +1,6 @@
 
-var request = require('supertest');
 var context = require('../context');
+var request = require('supertest');
 var koa = require('../..');
 
 describe('ctx.attachment([filename])', function(){
diff --git a/test/response/inspect.js b/test/response/inspect.js
index 71a3aa3..abb2282 100644
--- a/test/response/inspect.js
+++ b/test/response/inspect.js
@@ -1,6 +1,6 @@
 
-var assert = require('assert');
 var response = require('../context').response;
+var assert = require('assert');
 
 describe('res.inspect()', function(){
   describe('with no response.res present', function(){
diff --git a/test/response/length.js b/test/response/length.js
index 8fd8456..ef23e3f 100644
--- a/test/response/length.js
+++ b/test/response/length.js
@@ -1,8 +1,8 @@
 
-var fs = require('fs');
-var should = require('should');
 var response = require('../context').response;
+var should = require('should');
 var assert = require('assert');
+var fs = require('fs');
 
 describe('res.length', function(){
   describe('when Content-Length is defined', function(){
diff --git a/test/response/message.js b/test/response/message.js
index 28384eb..24472b2 100644
--- a/test/response/message.js
+++ b/test/response/message.js
@@ -1,6 +1,6 @@
 
-var Stream = require('stream');
 var response = require('../context').response;
+var Stream = require('stream');
 
 describe('res.message', function(){
   it('should return the response status message', function(){
diff --git a/test/response/socket.js b/test/response/socket.js
index 3b38623..5217a35 100644
--- a/test/response/socket.js
+++ b/test/response/socket.js
@@ -1,6 +1,6 @@
 
-var Stream = require('stream');
 var response = require('../context').response;
+var Stream = require('stream');
 
 describe('res.socket', function(){
   it('should return the request socket object', function(){