Add classification to elsevier tests.
Add classification to elsevier tests.

johnbachman/indra,pvtodorov/indra,sorgerlab/indra,johnbachman/indra,bgyori/indra,bgyori/indra,johnbachman/belpy,sorgerlab/indra,pvtodorov/indra,johnbachman/belpy,bgyori/indra,sorgerlab/belpy,johnbachman/belpy,johnbachman/indra,pvtodorov/indra,pvtodorov/indra,sorgerlab/belpy,sorgerlab/indra,sorgerlab/belpy