Test empty line

Author: filipesantiagoAM

Diff for: test/jasmine/tests/hover_label_test.js

@@ -2650,6 +2650,7 @@ describe('Hover on multicategory axes', function() {
         Plotly.newPlot(gd, fig)
         .then(function() {
             gd.on('plotly_hover', function(d) {
+                
                 eventData = d.points[0];
             });
         })