anchor.diff:      },
       {
         "metric": "smoke.status",
  -      "custom_unit": null,
  +      "text_align": "left",
         "query": "avg:smoke.status{deployment:<%= deployment %>,loggregator_enabled:1}",
         "text_size": "auto",
         "title_size": 16,
         "title": true,
         "aggregator": "avg",
         "title_align": "left",
  -      "text_align": "left",
  +      "custom_unit": null,
         "width": 15,
         "timeframe": "30m",
         "wrapped": true,
  
positive.code:     },
      {
        "metric": "bosh.healthmonitor.system.disk.persistent.percent",
        "custom_unit": "%",
        "query": "max:bosh.healthmonitor.system.disk.persistent.percent{deployment:concourse}",
        "text_size": "auto",
        "title_size": 16,
        "title": true,
        "aggregator": "max",
        "title_align": "left",
        "text_align": "center",
        "width": 19,
        "timeframe": "1h",
        "wrapped": true,
  
negative.code:       ],
        "is_valid_query": false,
        "tile_def": {
          "text_align": "center",
          "autoscale": false,
          "custom_unit": "%",
          "precision": 0,
          "viz": "query_value",
          "requests": [
  