xtest-fake-motion-event -- Fake an X motion event to X,Y after a delay of MS-DELAY on SCREEN.
(xtest-fake-motion-event x y #&optional screen ms-delay)
Fake an x motion event to x,y after a delay of ms-delay on screen.
If screen is ommitted, 0 is used.
If ms-delay is ommitted or is not a number, no delay is used.