Standardized test cases docstrings.
Standardized test cases docstrings.

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