WebSearch: fixed regression test
WebSearch: fixed regression test

* Updated WebSearch regression test for restricted pictures to reflect
  recent changes in HTTP error reports. (fixes: #34)

inveniosoftware/invenio-search,inveniosoftware/invenio-records,inveniosoftware/invenio-records,tiborsimko/invenio-records,inveniosoftware/invenio-search,tiborsimko/invenio-search,tiborsimko/invenio-search,tiborsimko/invenio-records