That dishsoap recept should be in a museum somewhere!!! (Maybe Ripley's!)
That even tops a customer I had trying to test his GFCI Recept by INTENIONALLY throwing a hair dryer in his bath tub, full of water, & plugged in!
He had no clue why the GFCI wouldn't trip & the ocpd would go after a minute or so... That is... Until I informed him he had ABS plumbing & to have a ground fault... You kinda need a path to ground!
I tested his GFCI by connecting a light between hot & ground... It tripped