Testing getImageDataHD
PASS: Pixel 0 is green.
PASS: Pixel 1 is blue.

Testing putImageDataHD
PASS: Pixel 0 is black.
PASS: Pixel 0 is green.
PASS: Pixel 0 is green.
PASS: Pixel 0 is blue.
PASS: Pixel 0 is blue.
PASS: Pixel 0 is black.