layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x37
  RenderBlock {html} at (0,0) size 800x37
    RenderBody {body} at (8,8) size 784x21
      RenderBlock {div} at (0,0) size 784x21
        RenderInline {testA} at (0,0) size 345x21 [bgcolor=#00FF00]
          RenderText {#text} at (0,0) size 345x21
            text run at (0,0) width 345: "This paragraph should have a green background"
        RenderText {#text} at (0,0) size 0x0