Fix lint errors

Author: rstacruz

test/jquery.js

@@ -3,7 +3,6 @@
 var jsdom = require('../index')
 
 describe('jquery', function () {
-
   var $
   jsdom()
 
@@ -20,5 +19,4 @@ describe('jquery', function () {
     document.body.innerHTML = '<div>hola</div>'
     expect($('div').html()).eql('hola')
   })
-
 })

test/skip_window_check.js

@@ -4,7 +4,6 @@
 var jsdom = require('../index')
 
 describe('skipWindowCheck: true', function () {
-
   before(function () {
     global.window = {}
   })
@@ -19,5 +18,4 @@ describe('skipWindowCheck: true', function () {
     var div = document.createElement('div')
     expect(div.nodeName).eql('DIV')
   })
-
 })

test/use_each.js

@@ -19,11 +19,9 @@ describe('check useEach false (default)', function () {
   it('has document persisting across tests', function () {
     expect(document.body.innerHTML).eql(someContent)
   })
-
 })
 
 describe('check useEach true', function () {
-
   var someContent = '<div>hola</div>'
   jsdom({ useEach: true })