Bug 13264: Test for utf-8 on Opac search

Bug 13264: Test for utf-8 on Opac search

This test need to setup zebraserver and background indexing.
You need to set also KOHA_INTRANET_URL and KOHA_OPAC_URL
in the user enviroment.

It imports sample records and retrieves them on hte OPAC through
Apache.

To run it: prove opac_utf8.t

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 fb9eb5737bb2fa2025778a1324afb5d9662ef4a9)
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>