Simplify mock and added jasmine test

Author: filipesantiagoAM

test/image/mocks/multicategory_series.json

@@ -1581,7 +1581,7 @@
         },
         "hovermode": "x unified",
         "title": {
-            "text": "Multicategory Mock with Tickmode 'sync'"
+            "text": "Multicategory Mock"
         },
         "xaxis": {
             "visible": false,
@@ -1609,7 +1609,6 @@
             ],
             "type": "linear",
             "side": "left",
-            "tickmode": "sync",
             "overlaying": "y"
         },
         "showlegend": true

test/jasmine/tests/hover_label_test.js

@@ -2640,6 +2640,39 @@ describe('Hover on multicategory axes', function() {
         })
         .then(done, done.fail);
     });
+
+    fit('should work with series', function(done) {
+        var fig = Lib.extendDeep({}, require('@mocks/multicategory_series.json'));
+        fig.data = [fig.data[0]];
+        fig.layout.width = 500;
+        fig.layout.height = 500;
+
+        Plotly.newPlot(gd, fig)
+        .then(function() {
+            gd.on('plotly_hover', function(d) {
+                eventData = d.points[0];
+            });
+        })
+        .then(function() { _hover(200, 200); })
+        .then(function() {
+            assertHoverLabelContent({
+                nums: 'x: 2017 - q3\ny: Group 3 - A\nz: 2.303'
+            });
+            expect(eventData.x).toEqual(['2017', 'q3']);
+        })
+        .then(function() {
+            return Plotly.restyle(gd, 'hovertemplate', '%{z} @ %{x} | %{y}');
+        })
+        .then(function() { _hover(200, 200); })
+        .then(function() {
+            assertHoverLabelContent({
+                nums: '2.303 @ 2017 - q3 | Group 3 - A',
+                name: 'w/ 2d z'
+            });
+            expect(eventData.x).toEqual(['2017', 'q3']);
+        })
+        .then(done, done.fail);
+    });
 });
 
 describe('hover on traces with (x|y)period positioning', function() {