Noah was tested when God told him to build that humongous arc, Abraham was tested when God told him to sacrifice Isaac, Moses was tested when he was told to go back to Egypt before the pharaoh, with his speech impediment and demand of the pharaoh the most daunting thing: "Let my people go".
29 Du sot den Abraham: ’Si hunn de Moses an d’Prophéiten; op déi sollen si lauschteren!’