sort categories by values: update mocks

Author: antoinerg

test/image/baselines/hist_category_total_ascending.png

@@ -20,20 +20,20 @@
     "yaxis": "y2"
   }],
   "layout": {
-    "title": "categoryorder: \"value ascending\"",
+    "title": "categoryorder: \"total ascending\"",
     "height": 400,
     "width": 600,
     "barmode": "stack",
     "xaxis": {
       "domain": [0, 0.45],
-      "categoryorder": "value ascending"
+      "categoryorder": "total ascending"
     },
     "xaxis2": {
       "domain": [0.55, 1]
     },
     "yaxis2": {
       "anchor": "x2",
-      "categoryorder": "value ascending"
+      "categoryorder": "total ascending"
     }
   }
 }

test/image/baselines/hist_category_value_ascending.png

@@ -12,15 +12,15 @@
         }
     ],
     "layout": {
-        "title": "xaxis.categoryorder: \"value descending\"",
+        "title": "xaxis.categoryorder: \"total descending\"",
         "width": 400,
         "height": 400,
         "xaxis": {
             "domain": [
                 0,
                 1
             ],
-            "categoryorder": "value descending"
+            "categoryorder": "total descending"
         }
     }
 }

test/image/baselines/scatter_category_total_descending.png

@@ -14,7 +14,7 @@
   "layout": {
     "xaxis": {
         "type": "category",
-        "categoryorder": "value ascending"
+        "categoryorder": "total ascending"
     },
     "xaxis2": {
         "matches": "x"