Test passes if there is no red visible on the page.
AAAAAAAAA BBBBBBBBB CCCCCCCCC DDDDDDDDD EEEEEEEEE FFFFFFFFF
GGGGGGGGG HHHHHHHHH IIIIIIIII JJJJJJJJJ KKKKKKKKK LLLLLLLLL
AAAAAAAAA BBBBBBBBB CCCCCCCCC DDDDDDDDD EEEEEEEEE FFFFFFFFF
GGGGGGGGG HHHHHHHHH IIIIIIIII JJJJJJJJJ KKKKKKKKK LLLLLLLLL