Fix mock syntax

hannahker · hannahker · commit ad22f4feb929 · 2023-05-10T13:54:53.000-07:00
diff --git a/test/image/mocks/zz-container-colorbar-horizontal.json b/test/image/mocks/zz-container-colorbar-horizontal.json
@@ -12,7 +12,6 @@
                 "borderwidth": 4,
                 "bordercolor": "gray",
                 "title": {
-                  "side": "left",
                   "text": "Colorbar<br>title",
                   "font": {
                     "size": 16
