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| RenderView at (0,0) size 800x600 | |
| layer at (0,0) size 800x600 | |
| RenderBlock {HTML} at (0,0) size 800x600 | |
| RenderBody {BODY} at (8,8) size 784x579 | |
| RenderBlock {PRE} at (0,0) size 784x15 | |
| RenderText {#text} at (0,0) size 695x15 | |
| text run at (0,0) width 695: "{\"error\": {\"message\": \"This test cannot be loaded in dedicatedworker mode\", \"code\": 404}}" |