Update expected number of buttons in modebar tests

Author: marthacryan

test/jasmine/tests/modebar_test.js

@@ -1679,7 +1679,7 @@ describe('ModeBar', function() {
                 return d3Select(modeBarEl).selectAll('button.modebar-btn, a.modebar-btn').size();
             }
 
-            var initial = 10;
+            var initial = 11;
             Plotly.newPlot(gd, [{y: [1, 2]}], {})
             .then(function() {
                 expect(countButtons()).toBe(initial);
@@ -1764,7 +1764,7 @@ describe('ModeBar', function() {
                 return d3Select(modeBarEl).selectAll('button.modebar-btn, a.modebar-btn').size();
             }
 
-            var initial = 10;
+            var initial = 11;
             Plotly.newPlot(gd, [{y: [1, 2]}], {})
             .then(function() {
                 expect(countButtons()).toBe(initial);
@@ -1813,7 +1813,7 @@ describe('ModeBar', function() {
                 return d3Select(modeBarEl).selectAll('a.modebar-btn').size();
             }
 
-            var initial = 10;
+            var initial = 11;
             Plotly.newPlot(gd, [{y: [1, 2]}], {
                 template: {
                     layout: {
@@ -1845,7 +1845,7 @@ describe('ModeBar', function() {
                 return d3Select(modeBarEl).selectAll('button.modebar-btn, a.modebar-btn').size();
             }
 
-            var initial = 10;
+            var initial = 11;
             Plotly.newPlot(gd, [{y: [1, 2]}], {
                 template: {
                     layout: {
@@ -1868,7 +1868,7 @@ describe('ModeBar', function() {
                     return d3Select(modeBarEl).selectAll('button.modebar-btn, a.modebar-btn').size();
                 }
 
-                var initial = 10;
+                var initial = 11;
                 Plotly.newPlot(gd, [{y: [1, 2]}], {
                     modebar: {
                         remove: t
@@ -1889,7 +1889,7 @@ describe('ModeBar', function() {
                 return d3Select(modeBarEl).selectAll('button.modebar-btn, a.modebar-btn').size();
             }
 
-            var initial = 10;
+            var initial = 11;
             Plotly.newPlot(gd, [{y: [1, 2]}], {
                 modebar: {
                     add: 'drawline'