JSON formatting for mocks

Author: keeganmccallum

test/image/mocks/bar_stackrelative_negative.json

@@ -1,9 +1,33 @@
 {
     "data":[
-        {"name":"Col1","y":["-1","2","3","4","5"],"x":["1","2","3","4","5"],"type":"bar","uid":"aeb9ea"},
-        {"name":"Col2","y":["2","3","4","-3","2"],"x":["1","2","3","4","5"],"type":"bar","uid":"2f201d"},
-        {"name":"Col3","y":["5","4","3","-2","1"],"x":["1","2","3","4","5"],"type":"bar","uid":"aef0bf"},
-        {"name":"Col4","y":["-3","0","1","0","-3"],"x":["1","2","3","4","5"],"type":"bar","uid":"330b4d"}
+        {
+            "name":"Col1",
+            "y":["-1","2","3","4","5"],
+            "x":["1","2","3","4","5"],
+            "type":"bar",
+            "uid":"aeb9ea"
+        },
+        {
+            "name":"Col2",
+            "y":["2","3","4","-3","2"],
+            "x":["1","2","3","4","5"],
+            "type":"bar",
+            "uid":"2f201d"
+        },
+        {
+            "name":"Col3",
+            "y":["5","4","3","-2","1"],
+            "x":["1","2","3","4","5"],
+            "type":"bar",
+            "uid":"aef0bf"
+        },
+        {
+            "name":"Col4",
+            "y":["-3","0","1","0","-3"],
+            "x":["1","2","3","4","5"],
+            "type":"bar",
+            "uid":"330b4d"
+        }
     ],
     "layout":{
         "height":400,