Bug 13264: Test for utf-8 on authorised values input/display/delete

Bug 13264: Test for utf-8 on authorised values input/display/delete

This test check utf-8 support on web intranet interface for authorized values.
It test input, search and delete of utf-8 values.
If all OK it destroy values inserted

Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
(cherry picked from commit 44ed6c37c579f7a8a2b222647f50073cdf1762d4)
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>