test associ role test associ role object model model model manag factori creat model object collab model collabor factori build collabor model object model core factori build model object model core factori build model object assoc model core factori build associ object assoc model core factori build associ object role model collabor factori build classifi role collab role equal wrong number possibl base model collabor helper possibl base role size model collabor helper add base role object role model collabor factori build classifi role collab model collabor helper add base role equal wrong number possibl associ role model collabor helper possibl associ role role size object assoc role model collabor factori build associ role role role assoc role equal assoc role return wrong result assoc role model collabor helper associ role role role equal didn connect classifi role model collabor helper classifi role role size model uml factori delet model 