Cunning and without a lie

Penelope does not leave for the farm instead she asked Eurycleia to move her bridal bed. Ulysses freaks on her exclaiming that the bed is immovable and was built fro,m the olive tree that the house was built around. Upon Ulysses saying this she rejoices that he truly is Ulysses. However, if she was already aware that Ulysses had returned why test him. Is it that being cautious she prefers to make sure its Ulysses' by ordering the moving of the unmovable bed they had made love on? What does stand to gain by such an order and have Ulysses prove he and only he knew the bed could not be moved. Is it that she wants to make sure Ulysses knows how faithful she was? If anyone else had made love on that bed it would not be a test, or at least to Ulysses it would not be, and thus prove to Ulysses that no one has moved the bed or tried to with her also being horizontal on the bed. Very Cunning women, not only proving her self faithful, but doing it by way of Ulysses himself. The two then reacquaint themselves and each tells the other about the time apart. To me Hera had a role in the divine blessings of Penelope cunning house "keeping". She kept her man looking as faithful and cunning as ever and Ulysses feels this to be true without question if she is lying.