add image test - pie ranking looks strange

Author: archmoj

Diff for: test/image/baselines/legendrank.png

@@ -0,0 +1,51 @@
+{
+  "data": [
+    {"type": "bar", "name": "100", "y": [100], "yaxis": "y2", "legendgroup": "two"},
+    {
+      "legendrank": 2,
+      "legendgroup": "pie",
+      "type": "pie",
+      "labels": ["z","y","x","x","x","y"],
+      "sort": false,
+      "textinfo": "none",
+      "domain": {
+        "x": [0.55, 1],
+        "y": [0.35, 0.65]
+      }
+    },
+    {
+      "legendrank": 1,
+      "legendgroup": "pie",
+      "type": "pie",
+      "labels": ["a","b","c","c","c","a"],
+      "textinfo": "none",
+      "domain": {
+        "x": [0, 0.45],
+        "y": [0.35, 0.65]
+      }
+    },
+    {"type": "scatter", "name": "2", "y": [2], "yaxis": "y", "legendgroup": "one", "legendrank": 2},
+    {"type": "scatter", "name": "1", "y": [1], "yaxis": "y", "legendgroup": "one", "legendrank": 1},
+    {"type": "bar", "name": "200", "y": [100], "yaxis": "y2", "legendgroup": "two"},
+    {"type": "scatter", "name": "3", "y": [3], "yaxis": "y", "legendgroup": "one", "legendrank": 3},
+    {"type": "bar", "name": "300", "y": [100], "yaxis": "y2", "legendgroup": "two"}
+  ],
+  "layout": {
+    "barmode": "stack",
+    "title": {
+      "text": "legendrank"
+    },
+    "hovermode": "x unified",
+    "margin": {
+      "t": 50
+    },
+    "width": 300,
+    "height": 400,
+    "yaxis2": {
+      "domain": [0.7, 1]
+    },
+    "yaxis": {
+      "domain": [0, 0.3]
+    }
+  }
+}