correct end of period

Author: archmoj

src/components/fx/hover.js

@@ -995,7 +995,7 @@ function createHoverText(hoverData, opts, gd) {
                 trace[axLetter + 'periodalignment'] = 'end';
                 var end = alignPeriod(trace, ax, axLetter, [v])[0];
 
-                if(v0 >= start && v0 <= end) return true;
+                if(v0 >= start && v0 < end) return true;
             }
 
             return false;

test/jasmine/tests/hover_label_test.js

@@ -4933,8 +4933,7 @@ describe('hovermode: (x|y)unified', function() {
 
             _hover(gd, { xpx: 75, ypx: 250 });
             assertLabel({title: 'Mar 1, 2017', items: [
-                'M1 : 3',
-                'M1 : (Feb 1, 2017, 2)'
+                'M1 : 3'
             ]});
 
             _hover(gd, { xpx: 100, ypx: 250 });