Assets - Cannot rename document to the same name

STEPS:
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#1 URL name is unique

• as editor on the quickstart
• upload the attached file document.pdf
• open it
• click on Document actions > Rename... and change the URL name from 'documentpdf' to 'document.pdf'.
• OK
• rename the URL again from 'document.pdf' to 'documentpdf'
• OK
• rename the asset from 'document.pdf' to 'document-old.pdf'
• OK
• a message appears 'Cannot rename document to same name'

#2 URL name is not unique

• as editor on the quickstart
• rename the URL of Hippo.pdf from 'Hippo.pdf' to 'document.pdf'
• upload the attached file document.pdf
• open it
• click on Document actions > Rename... and change the URL name from 'documentpdf' to 'document.pdf'.
• OK
• a message appears 'Cannot rename document to same name'

#3 upload a file twice

• as editor on the quickstart
• upload the attached file documcnt.pdf twice
• check that each have the same name and URL name
• rename the first from 'documentpdf' to 'document.pdf'
• OK
• a message appears 'Cannot rename document to same name'

Have all of these cases the correct output?