Test that drawImage() does nothing with an incomplete image or video

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS ctx.drawImage(img, 0, 0) is undefined
PASS imgdata[0] is 255
PASS imgdata[1] is 0
PASS imgdata[2] is 0
PASS imgdata[3] is 255
PASS ctx.drawImage(video, 0, 0) is undefined
PASS imgdata[0] is 255
PASS imgdata[1] is 0
PASS imgdata[2] is 0
PASS imgdata[3] is 255
PASS successfullyParsed is true

TEST COMPLETE