Add rotated axes labels mock

Author: dy

test/image/mocks/gl2d_axes_labels2.json

@@ -0,0 +1,15 @@
+{
+    "data": [
+        {
+            "x": ["apples", "oranges", "bananananananas", "cantaloupeeeeww", "khljh"],
+            "y": [8, 7, 6, 5, 4, 3, 2, 1, 0],
+            "type": "scattergl",
+            "fill": "tozeroy"
+        }
+    ],
+    "layout": {
+        "width": 400,
+        "height": 300,
+        "showlegend": false
+    }
+}