Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x37.835937 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x21.835937 children: inline
      line 0 width: 362.617187, height: 21.835937, bottom: 21.835937, baseline: 16.914062
        frag 0 from TextNode start: 0, length: 35, rect: [8,8 362.617187x21.835937]
          "This test passes if we don't crash."
      TextNode <#text>
