Why does my Kenmore dishwasher not dry the dishes?

Quote from the video:
Quote from Youtube video: And that heat helps water evaporate off the dish surfaces. Even if you don't use the heated dry option. If your non-plastic items aren't drying.

How do you test a dishwasher heating element without removing it?

Quote from the video:
Quote from Youtube video: Now use a probe to touch one of the elements terminals and the second probe to touch the other terminal. If the meter reading shows a result between zero and fifty ohms of resistance.