- documents ids are generated using node id to avoid conflicts in tests with several nodes

sound uses document_publication_workflow

- include duplicate (same path)
- escape path with respect to LIKE, both for correctness (although it's
  unlikely to make a difference in practice) and performance (efficient use
  of 'path' index)

Smart Assistant Files, Smart Assistant  Images, Smart Assistant Sounds, Smart Assistant Texts

There won't be any `a` tag for the State column as it is a column
with no link for the given listbox(es), so just verify the value
of the text in it.

/reviewed-on nexedi/erp5!654

/reviewed-on nexedi/erp5!655

Also, remove the test from expected Failure for this case.

/reviewed-on nexedi/erp5!653

/reviewed-on nexedi/erp5!652

- server_id provided from server itself by getCurrentNode method of CMFActivity

/reviewed-on !651

- getCurrentNode method can be directly imported from CMFActivity
- corresponding unittests

/reviewed-on !647