1 layer at (0,0) size 800x600
2 RenderView at (0,0) size 800x600
3 layer at (0,0) size 800x18
4 RenderBlock {test} at (0,0) size 800x18
5 RenderInline {testa} at (0,0) size 304x18 [bgcolor=#00FF00]
6 RenderText {#text} at (0,0) size 304x18
7 text run at (0,0) width 304: "This paragraph should have a green background"
8 RenderText {#text} at (0,0) size 0x0