diff --git a/modules/item/back/methods/item-barcode/specs/delete.spec.js b/modules/item/back/methods/item-barcode/specs/delete.spec.js
new file mode 100644
index 000000000..56377eb78
--- /dev/null
+++ b/modules/item/back/methods/item-barcode/specs/delete.spec.js
@@ -0,0 +1,22 @@
+const {models} = require('vn-loopback/server/server');
+
+fdescribe('itemBarcode delete()', () => {
+    it('should delete a record by itemFk and code', async() => {
+        const tx = await models.ItemBarcode.beginTransaction({});
+        const options = {transaction: tx};
+        const itemFk = 1;
+        const code = 1111111111;
+
+        try {
+            const itemsBarcodeBefore = await models.ItemBarcode.find({}, options);
+            await models.ItemBarcode.delete(code, itemFk, options);
+            const itemsBarcodeAfter = await models.ItemBarcode.find({}, options);
+
+            expect(itemsBarcodeBefore.length).toBeGreaterThan(itemsBarcodeAfter.length);
+            await tx.rollback();
+        } catch (e) {
+            await tx.rollback();
+            throw e;
+        }
+    });
+});
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 996491992..e5ed0aa85 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 = {
             accessToken: {userId: 9},
@@ -11,7 +11,8 @@ fdescribe('itemShelving return()', () => {
     });
 
     it('should return a list of items and alternative locations', async() => {
-        const itemShelvings = await models.ItemShelving.return('PCC');
+        const shelvingFk = 'PCC';
+        const itemShelvings = await models.ItemShelving.return(shelvingFk);
 
         expect(itemShelvings[0].itemFk).toEqual(999997);
         expect(itemShelvings[0].quantity).toEqual(10);
@@ -19,13 +20,15 @@ fdescribe('itemShelving return()', () => {
     });
 
     it('should return a list of items without alternatives', async() => {
-        const itemShelvings = await models.ItemShelving.return('HEJ');
+        const shelvingFk = 'HEJ';
+        const itemShelvings = await models.ItemShelving.return(shelvingFk);
 
         expect(itemShelvings[0].carros.length).toEqual(0);
     });
 
     it('should return an empty list', async() => {
-        const itemShelvings = await models.ItemShelving.return('ZZP');
+        const shelvingFk = 'ZZP';
+        const itemShelvings = await models.ItemShelving.return(shelvingFk);
 
         expect(itemShelvings.length).toEqual(0);
     });
diff --git a/modules/ticket/back/methods/expedition-pallet/specs/getPallet.spec.js b/modules/ticket/back/methods/expedition-pallet/specs/getPallet.spec.js
index 84bb9f93a..2fc79d459 100644
--- a/modules/ticket/back/methods/expedition-pallet/specs/getPallet.spec.js
+++ b/modules/ticket/back/methods/expedition-pallet/specs/getPallet.spec.js
@@ -12,7 +12,8 @@ describe('expeditonPallet getPallet()', () => {
     });
 
     it('should obtain the pallet data', async() => {
-        const pallet = await models.ExpeditionPallet.getPallet(ctx, 1);
+        const palletId = 1;
+        const pallet = await models.ExpeditionPallet.getPallet(ctx, palletId);
 
         expect(pallet).toBeDefined();
         expect(pallet.truckFk).toEqual(1);
@@ -20,8 +21,9 @@ describe('expeditonPallet getPallet()', () => {
     });
 
     it('should throw an error when the pallet does not exist', async() => {
+        const palletId = 600;
         try {
-            await models.ExpeditionPallet.getPallet(ctx, 600);
+            await models.ExpeditionPallet.getPallet(ctx, palletId);
         } catch (e) {
             const error = e;