Fix attachFile on WebDriverIO helper (#254)
Fix attachFile on WebDriverIO helper (#254)

* Fix attachFile on WebDriverIO helper

* Improve check on returned element

Nighthawk14/CodeceptJS,Codeception/CodeceptJS,Shullaca1/Teste-do-CdB,Codeception/CodeceptJS,Nighthawk14/CodeceptJS,Shullaca1/Teste-do-CdB,Shullaca1/Teste-do-CdB,williammizuta/CodeceptJS,williammizuta/CodeceptJS,williammizuta/CodeceptJS,Codeception/CodeceptJS