Update webapi.js

Author: kobenguyent

test/helper/webapi.js

@@ -846,7 +846,7 @@ module.exports.tests = function () {
 
   describe('#attachFile', () => {
     it('should upload file located by CSS', async () => {
-      if (isHelper('WebDriver')) this.skip()
+      if (isHelper('WebDriver')) return
 
       await I.amOnPage('/form/file')
       await I.attachFile('#avatar', 'app/avatar.jpg')
@@ -858,7 +858,7 @@ module.exports.tests = function () {
     })
 
     it('should upload file located by label', async () => {
-      if (isHelper('WebDriver')) this.skip()
+      if (isHelper('WebDriver')) return
 
       await I.amOnPage('/form/file')
       await I.attachFile('Avatar', 'app/avatar.jpg')