add image test for bar with x in milisecond and base

Author: archmoj

test/image/baselines/bar-with-milliseconds.png

@@ -0,0 +1,51 @@
+{
+    "data": [
+        {
+            "base": [
+                "2020-02-02 00:00"
+            ],
+            "orientation": "h",
+            "type": "bar",
+            "x": [
+                86400000
+            ],
+            "y": [
+                1
+            ],
+            "yaxis": "y"
+        },
+        {
+            "base": [
+                "2020-02-02 00:00"
+            ],
+            "orientation": "h",
+            "type": "bar",
+            "x": [
+                "1970-01-02 00:00"
+            ],
+            "y": [
+                1
+            ],
+            "yaxis": "y2"
+        }
+    ],
+    "layout": {
+        "width": 800,
+        "height": 400,
+        "xaxis": {
+            "type": "date"
+        },
+        "yaxis": {
+            "domain": [
+                0,
+                0.45
+            ]
+        },
+        "yaxis2": {
+            "domain": [
+                0.55,
+                1
+            ]
+        }
+    }
+}

test/image/mocks/bar-with-milliseconds.json

@@ -137,6 +137,7 @@ var list = [
     'bar-like_traces_tozero',
     'bar-marker-line-colorscales',
     'bar-offsetgroups',
+    'bar-with-milliseconds',
     'basic_area',
     'basic_bar',
     'basic_error_bar',
@@ -1176,6 +1177,7 @@ figs['bar-like_traces_no-tozero_stack'] = require('@mocks/bar-like_traces_no-toz
 figs['bar-like_traces_tozero'] = require('@mocks/bar-like_traces_tozero');
 figs['bar-marker-line-colorscales'] = require('@mocks/bar-marker-line-colorscales');
 figs['bar-offsetgroups'] = require('@mocks/bar-offsetgroups');
+figs['bar-with-milliseconds'] = require('@mocks/bar-with-milliseconds');
 figs['basic_area'] = require('@mocks/basic_area');
 figs['basic_bar'] = require('@mocks/basic_bar');
 figs['basic_error_bar'] = require('@mocks/basic_error_bar');