diff --git a/modules/item/back/methods/item-shelving/specs/return.spec.js b/modules/item/back/methods/item-shelving/specs/return.spec.js
index 07ddc2168..a5edc0ade 100644
--- a/modules/item/back/methods/item-shelving/specs/return.spec.js
+++ b/modules/item/back/methods/item-shelving/specs/return.spec.js
@@ -1,6 +1,6 @@
 const {models} = require('vn-loopback/server/server');
 
-fdescribe('itemShelving return()', () => {
+describe('itemShelving return()', () => {
     beforeAll(async() => {
         ctx = {
             req: {
diff --git a/modules/item/back/methods/item/card.js b/modules/item/back/methods/item/card.js
index 5d086ce88..8ee4ccc6b 100644
--- a/modules/item/back/methods/item/card.js
+++ b/modules/item/back/methods/item/card.js
@@ -24,12 +24,17 @@ module.exports = Self => {
         },
     });
 
-    Self.card = async(itemFk, warehouseFk) => {
+    Self.card = async(itemFk, warehouseFk, options) => {
+        const myOptions = {};
+
+        if (typeof options == 'object')
+            Object.assign(myOptions, options);
+
         const models = Self.app.models;
 
-        const [[itemInfo]] = await Self.rawSql('CALL vn.item_getInfo(?, ?)', [itemFk, warehouseFk]);
+        const [[itemInfo]] = await Self.rawSql('CALL vn.item_getInfo(?, ?)', [itemFk, warehouseFk], myOptions);
 
-        const barcodeItems = await Self.rawSql('SELECT vn.barcodeToItem(?) as realIdItem', [itemFk]);
+        const barcodeItems = await Self.rawSql('SELECT vn.barcodeToItem(?) as realIdItem', [itemFk], myOptions);
         const [realIdItem] = barcodeItems.map(barcodeItem => barcodeItem.realIdItem);
 
         const barcodes = await models.ItemBarcode.find({
diff --git a/modules/ticket/back/models/specs/sale.spec.js b/modules/ticket/back/models/specs/sale.spec.js
index 979b86108..26d64cfe2 100644
--- a/modules/ticket/back/models/specs/sale.spec.js
+++ b/modules/ticket/back/models/specs/sale.spec.js
@@ -3,7 +3,7 @@
 const models = require('vn-loopback/server/server').models;
 const LoopBackContext = require('loopback-context');
 
-fdescribe('sale model ', () => {
+describe('sale model ', () => {
     const ctx = {
         req: {
             accessToken: {userId: 9},
diff --git a/modules/travel/back/methods/travel/specs/extraCommunityFilter.spec.js b/modules/travel/back/methods/travel/specs/extraCommunityFilter.spec.js
index 1ce55cc91..599851b55 100644
--- a/modules/travel/back/methods/travel/specs/extraCommunityFilter.spec.js
+++ b/modules/travel/back/methods/travel/specs/extraCommunityFilter.spec.js
@@ -79,7 +79,7 @@ describe('Travel extraCommunityFilter()', () => {
 
         const result = await app.models.Travel.extraCommunityFilter(ctx, filter);
 
-        expect(result.length).toEqual(9);
+        expect(result.length).toEqual(8);
     });
 
     it('should return the travel matching "cargoSupplierFk"', async() => {
diff --git a/modules/travel/back/methods/travel/specs/filter.spec.js b/modules/travel/back/methods/travel/specs/filter.spec.js
index 6cb366938..1a6ee895c 100644
--- a/modules/travel/back/methods/travel/specs/filter.spec.js
+++ b/modules/travel/back/methods/travel/specs/filter.spec.js
@@ -80,6 +80,6 @@ describe('Travel filter()', () => {
 
         const result = await app.models.Travel.filter(ctx);
 
-        expect(result.length).toEqual(6);
+        expect(result.length).toEqual(5);
     });
 });
diff --git a/modules/worker/back/methods/operator/add.js b/modules/worker/back/methods/operator/add.js
index 6fa780588..efd610562 100644
--- a/modules/worker/back/methods/operator/add.js
+++ b/modules/worker/back/methods/operator/add.js
@@ -15,7 +15,7 @@ module.exports = Self => {
         if (typeof options == 'object')
             Object.assign(myOptions, options);
 
-        const isOperator = await Self.findById(user, myOptions);
+        const isOperator = await Self.findById(userId, myOptions);
         if (!isOperator) await Self.create({workerFk: userId}, myOptions);
     };
 };
diff --git a/modules/worker/back/methods/operator/spec/add.spec.js b/modules/worker/back/methods/operator/spec/add.spec.js
index 4d26e8ca9..94daae8de 100644
--- a/modules/worker/back/methods/operator/spec/add.spec.js
+++ b/modules/worker/back/methods/operator/spec/add.spec.js
@@ -1,8 +1,8 @@
 const {models} = require('vn-loopback/server/server');
 
 describe('operator add()', () => {
-    const itBoss = 104;
-    const noWorker = 100000;
+    const noOperator = 104;
+    const operator = 9;
 
     beforeAll(async() => {
         ctx = {
@@ -14,18 +14,23 @@ describe('operator add()', () => {
         };
     });
 
-    it('should throw an error if the worker does not exist', async() => {
+    it('should not add an existent operator', async() => {
         const tx = await models.Operator.beginTransaction({});
         const options = {transaction: tx};
-        ctx.req.accessToken.userId = noWorker;
+        ctx.req.accessToken.userId = operator;
 
         try {
+            const operatorBefore = await models.Operator.find(null, options);
+            const isOperator = await models.Operator.findOne(null, options);
+
+            expect(isOperator).toBeDefined();
+
             await models.Operator.add(ctx, options);
+            const operatorAfter = await models.Operator.find(null, options);
+
+            expect(operatorBefore.length).toEqual(operatorAfter.length);
             await tx.rollback();
         } catch (e) {
-            const error = e;
-
-            expect(error.message).toEqual('This worker does not exist');
             await tx.rollback();
         }
     });
@@ -33,7 +38,7 @@ describe('operator add()', () => {
     it('should add a new operator successfully', async() => {
         const tx = await models.Operator.beginTransaction({});
         const options = {transaction: tx};
-        ctx.req.accessToken.userId = itBoss;
+        ctx.req.accessToken.userId = noOperator;
 
         try {
             const operatorBefore = await models.Operator.find(null, options);