test/TestContent/CustomizableApp/Setups/Test1/Desktop.json

{
    "ViewmodelEditors": [
        {
            "pos": {
                "top": 0,
                "left": 200
            },
            "visible": true
        }
    ],
    "ViewEditors": [
        {
            "pos": {
                "top": 0,
                "left": 450
            },
            "visible": true
        }
    ],
    "HtmlEditor": {
        "pos": {
            "top": 0,
            "left": 700
        },
        "visible": true
    }
}