Add specs for relation.buildLabel
Add specs for relation.buildLabel

fbaumgardt/arethusa,Masoumeh/arethusa,latin-language-toolkit/arethusa,alpheios-project/arethusa,latin-language-toolkit/arethusa,Masoumeh/arethusa,alpheios-project/arethusa,fbaumgardt/arethusa,PonteIneptique/arethusa,fbaumgardt/arethusa,PonteIneptique/arethusa,alpheios-project/arethusa