Test passes if you see a black-bordered rectangle with the following contents: a light blue square in the top left corner, a light green square in the top right with some filler gray text in between the squares and under them.
Test fails is you see any red.

This is filler text. This is filler text. This is filler text. This is filler text. This is filler text. This is filler text. This is filler text.