Test passes if the blue box is stacked on top of the orange box, the boxes do not take up the whole width of the page, and "Filler Text" flows to the left and right of the orange bar.
Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text
Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text
Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text
Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text
Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text
Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text
Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text Filler Text