No. But temperature checks followed by a 15 minute test for those who fail is not out of the realm of possibility eventually.
It goes deeper than that (depending on how they in fact choose to test). In the cruise line scenario. They could be tested prior to boarding. The ship has to clear customs in every port of call it stops in. So in theory they could be tested again as a prerequisite before being permitted to debark. They also may be subject to be tested before rejoining the ship.
With Disney, what does that do to multiple parks. You check in and get tested. Then get to the MK early afternoon and get tested again. Then park hop to Epcot early evening and get tested again. Then dip out of International Gateway for a meal at Yachtsman for another test. And then go back in through IG.
It's crazy, even if they could do it. Not to say that they won't