tests: remove unused `cb` argument
tests: remove unused `cb` argument
jasonsanjose/htmlparser2,mail-apps/htmlparser2,magicode/htmlparser2,mail-apps/htmlparser2,frontapp/htmlparser2,fasterize/node-htmlparser,magicode/htmlparser2,jasonsanjose/htmlparser2,broadly/htmlparser2,kirbysayshi/node-htmlparser,frontapp/htmlparser2,broadly/htmlparser2