Specifications for this story on the Confluence page:
https://doc.ez.no/display/PR/Multi-file+upload#Multi-fileupload-7-Asauser,Ishouldbeabletoseetheprogressofallthefileswhileuploading

describes
1. All the components of the modal window (Progress bar, thumbnail, edit, delete, cancel options)
2. Exceptions like - not allowed extensions or bigger file size