def METHOD_NAME(self):
    uploader = FileUpload(multiple=True)
    message = {
        'value': [
            FILE_UPLOAD_FRONTEND_CONTENT,
            {**FILE_UPLOAD_FRONTEND_CONTENT, **{'name': 'other-file-name.txt'}}
        ]
    }
    uploader.set_state(message)
    assert len(uploader.value) == 2
    assert uploader.value[0].name == 'file-name.txt'
    assert uploader.value[1].name == 'other-file-name.txt'