Test negative values for lineDashOffset

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


PASS ctx.lineDashOffset is -100
PASS getPixel(50,100) is [0,0,0,0]
PASS getPixel(150,100) is [0,255,0,255]
PASS successfullyParsed is true

TEST COMPLETE

