updated to new model format

src/test/db.json

@@ -736,14 +736,12 @@
           {
             "_id": {"$oid":"120000000000000000000001"},
             "name": "Model A",
-            "url": "http://model-a.com",
-            "label": "ml/g"
+            "url": "http://model-a.com"
           },
           {
             "_id": {"$oid":"120000000000000000000002"},
             "name": "Model B",
-            "url": "http://model-b.com",
-            "label": "ml/g"
+            "url": "http://model-b.com"
           }
         ]
       },
@@ -753,8 +751,7 @@
           {
             "_id": {"$oid":"120000000000000000000003"},
             "name": "Model 1",
-            "url": "http://model-1.com",
-            "label": "weight %"
+            "url": "http://model-1.com"
           }
         ]
       }