diff --git a/modules/ticket/front/sale/specs/index.spec.js b/modules/ticket/front/sale/specs/index.spec.js
index 2e7979faa..14000e01a 100644
--- a/modules/ticket/front/sale/specs/index.spec.js
+++ b/modules/ticket/front/sale/specs/index.spec.js
@@ -2,7 +2,7 @@ import '../index.js';
 import watcher from 'core/mocks/watcher';
 import crudModel from 'core/mocks/crud-model';
 
-describe('Ticket', () => {
+fdescribe('Ticket', () => {
     describe('Component vnTicketSale', () => {
         let controller;
         let $scope;
@@ -207,6 +207,39 @@ describe('Ticket', () => {
             });
         });
 
+        describe('onChangeQuantity()', () => {
+            it('should not call addSale() or updateQuantity() methods', () => {
+                jest.spyOn(controller, 'addSale');
+                jest.spyOn(controller, 'updateQuantity');
+
+                const sale = {itemFk: 4};
+                controller.onChangeQuantity(sale);
+
+                expect(controller.addSale).not.toHaveBeenCalled();
+                expect(controller.updateQuantity).not.toHaveBeenCalled();
+            });
+
+            it('should call addSale() method', () => {
+                jest.spyOn(controller, 'addSale');
+
+                const sale = {itemFk: 4, quantity: 5};
+                controller.onChangeQuantity(sale);
+
+                expect(controller.addSale).toHaveBeenCalledWith(sale);
+            });
+
+            it('should call updateQuantity() method', () => {
+                jest.spyOn(controller, 'updateQuantity');
+                jest.spyOn(controller, 'addSale');
+
+                const sale = {id: 1, itemFk: 4, quantity: 5};
+                controller.onChangeQuantity(sale);
+
+                expect(controller.addSale).not.toHaveBeenCalled();
+                expect(controller.updateQuantity).toHaveBeenCalledWith(sale);
+            });
+        });
+
         describe('updateQuantity()', () => {
             it('should make a POST query saving sale quantity', () => {
                 jest.spyOn(controller.$scope.watcher, 'updateOriginalData');