Added tests for queries containing physical MARC tags.
Added tests for queries containing physical MARC tags.

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