WebSearch: fix for BibTeX regression tests
WebSearch: fix for BibTeX regression tests

Signed-off-by: Tibor Simko <c7116e45300b163846dc01f3ed02116e3f8ef7a5@cern.ch>

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