fix typo in test descriptions

Author: etpinard

test/jasmine/tests/box_test.js

@@ -313,7 +313,7 @@ describe('Test box hover:', function() {
         nums: 'look:0.7',
         name: ''
     }, {
-        desc: 'orientation:h | hovermode;y',
+        desc: 'orientation:h | hovermode:y',
         mock: require('@mocks/box_grouped_horz.json'),
         pos: [430, 130],
         nums: [

test/jasmine/tests/violin_test.js

@@ -490,7 +490,7 @@ describe('Test violin hover:', function() {
         name: '',
         isRotated: false
     }, {
-        desc: 'orientation:h | hovermode;y',
+        desc: 'orientation:h | hovermode:y',
         mock: require('@mocks/violin_grouped_horz-multicategory.json'),
         patch: function(fig) {
             // don't hover on kde, to avoid local vs CI discrepancies