new mock to lock issue 3359

Author: archmoj

test/image/mocks/gl3d_surface_after_heatmap.json

@@ -0,0 +1,29 @@
+{
+    "data": [
+      {
+        "type": "heatmap",
+        "x": [0, 1, 2],
+        "y": [0, 1, 2],
+        "z": [
+          [0, 1, 0],
+          [1, 0, 1],
+          [0, 1, 0]
+        ]
+      },
+      {
+        "type": "surface",
+        "x": [0, 1, 2],
+        "y": [0, 1, 2],
+        "z": [
+          [0, 1, 0],
+          [1, 0, 1],
+          [0, 1, 0]
+        ]
+      }
+    ],
+    "layout": {
+        "title": "Surface 3d plot on top of 2d heatmap!",
+        "width": 600,
+        "height": 400
+    }
+}