fixed heatmapgl defaults

Author: kb-

src/traces/heatmapgl/defaults.js

@@ -21,5 +21,8 @@ module.exports = function supplyDefaults(traceIn, traceOut, defaultColor, layout
     coerce('text');
     coerce('zsmooth');
 
+    coerce('tooltip');
+    coerce('tooltiptemplate');
+
     colorscaleDefaults(traceIn, traceOut, layout, coerce, {prefix: '', cLetter: 'z'});
 };

test/image/mocks/tooltip_tooltiptemplate_gl2d_heatmapgl.json

@@ -0,0 +1,152 @@
+{
+  "data": [
+    {
+      "type": "heatmapgl",
+      "z": [
+        [
+          125,
+          106,
+          89,
+          74,
+          61,
+          50,
+          41,
+          34,
+          29,
+          26
+        ],
+        [
+          116,
+          97,
+          80,
+          65,
+          52,
+          41,
+          32,
+          25,
+          20,
+          17
+        ],
+        [
+          109,
+          90,
+          73,
+          58,
+          45,
+          34,
+          25,
+          18,
+          13,
+          10
+        ],
+        [
+          104,
+          85,
+          68,
+          53,
+          40,
+          29,
+          20,
+          13,
+          8,
+          5
+        ],
+        [
+          101,
+          82,
+          65,
+          50,
+          37,
+          26,
+          17,
+          10,
+          5,
+          2
+        ],
+        [
+          100,
+          81,
+          64,
+          49,
+          36,
+          25,
+          16,
+          9,
+          4,
+          1
+        ],
+        [
+          101,
+          82,
+          65,
+          50,
+          37,
+          26,
+          17,
+          10,
+          5,
+          2
+        ],
+        [
+          104,
+          85,
+          68,
+          53,
+          40,
+          29,
+          20,
+          13,
+          8,
+          5
+        ],
+        [
+          109,
+          90,
+          73,
+          58,
+          45,
+          34,
+          25,
+          18,
+          13,
+          10
+        ],
+        [
+          116,
+          97,
+          80,
+          65,
+          52,
+          41,
+          32,
+          25,
+          20,
+          17
+        ]
+      ],
+      "colorscale": "Viridis",
+      "tooltip":{"bgcolor":"rgba(255, 255, 255, 0.2)"},
+      "tooltiptemplate": "%{x}<br>y: %{y}<br>z: %{z}"
+    }
+  ],
+  "layout": {
+    "font": {
+      "weight": "bold",
+      "style": "italic",
+      "variant": "small-caps"
+    },
+    "height": 450,
+    "width": 550
+  },
+    "config": {
+      "editable": true,
+      "modeBarButtonsToAdd": [
+         "tooltip",
+         "hoverclosest",
+         "hovercompare",
+         "togglespikelines"
+      ],
+      "displaylogo": false,
+      "displayModeBar": true
+    }
+}