LayoutTests/fast/block/block-only/margin-collapse-bottom-bottom-expected.txt

layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x127
  RenderBlock {HTML} at (0,0) size 800x127
    RenderBody {BODY} at (8,8) size 784x111
      RenderBlock {DIV} at (0,0) size 20x20
        RenderBlock {DIV} at (0,0) size 20x20
      RenderBlock {DIV} at (0,40) size 20x20
      RenderBlock {DIV} at (0,60) size 1x1
      RenderBlock {DIV} at (0,61) size 20x20
        RenderBlock {DIV} at (0,0) size 20x20
      RenderBlock {DIV} at (0,91) size 20x20