1. On your client machine, prepeare two different documents with the same name:

   $ mkdir /tmp/dir1 /tmp/dir2
   $ echo AAAAA > /tmp/dir1/document.pdf
   $ echo BBBBB > /tmp/dir1/document.pdf

2. Create a survey with two file upload questions.

3. Create a token / activate survey / initialize tokens etc

4. Execute the survey

5. Answer the first question by uploading /tmp/dir1/document.pdf

6. Answer the second question by uploading /tmp/dir2/document.pdf

7. Finish the survey

8. Go to 'Display responses' in the admin interface

9. Download the answer of the first question by clicking 'download.pdf'

10. Download the answer of the second question by clicking 'download.pdf' (second link)

11. Display the downloaded files:

    $ cat document.pdf
    BBBBB
    $ cat document\ \(1\).pdf 
    BBBBB

Expected result:

$ cat document.pdf
AAAAA
$ cat document\ \(1\).pdf 
BBBBB