Test to verify the shadow of an image drawn on canvas

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


PASS successfullyParsed is true

TEST COMPLETE
PASS imgdata[0] is 0
PASS imgdata[1] is 255
PASS imgdata[2] is 0
PASS imgdata[0] is 255
PASS imgdata[1] is 0
PASS imgdata[2] is 0
PASS imgdata[0] is 0
PASS imgdata[1] is 0
PASS imgdata[2] is 0