x x x xx x x x
x x x xx x x x
x x x xx x x x
x x x xx x x x
x x x xx x x x
x x x xx x x x
Test passes if there is a tall filled green rectangle with a black border and no red.
x x x xx x x x
x x x xx x x x
x x x xx x x x
x x x xx x x x
x x x xx x x x
x x x xx x x x