Add test about equity between lists with redundant data
Add test about equity between lists with redundant data

cargomedia/CM,vogdb/cm,cargomedia/CM,fauvel/CM,fauvel/CM,fauvel/CM,njam/CM,cargomedia/CM,fauvel/CM,vogdb/cm,vogdb/cm,vogdb/cm,njam/CM,njam/CM,njam/CM,cargomedia/CM,fauvel/CM,vogdb/cm,njam/CM