diff --git a/back/methods/collection/getSectors.js b/back/methods/collection/getSectors.js
index d844e5097..12ad0dc06 100644
--- a/back/methods/collection/getSectors.js
+++ b/back/methods/collection/getSectors.js
@@ -1,5 +1,5 @@
 module.exports = Self => {
-    Self.remoteMethodCtx('getSectors', {
+    Self.remoteMethod('getSectors', {
         description: 'Get all sectors',
         accessType: 'READ',
         returns: {
@@ -12,9 +12,9 @@ module.exports = Self => {
         }
     });
 
-    Self.getSectors = async ctx => {
+    Self.getSectors = async() => {
         const query = `CALL vn.sector_get()`;
-        const [result] = await Self.rawSql(query, []);
+        const [result] = await Self.rawSql(query);
         return result;
     };
 };
diff --git a/back/methods/collection/spec/collectionFauls.spec.js b/back/methods/collection/spec/collectionFauls.spec.js
new file mode 100644
index 000000000..0df234bfd
--- /dev/null
+++ b/back/methods/collection/spec/collectionFauls.spec.js
@@ -0,0 +1,8 @@
+
+describe('collectionFaults()', () => {
+    it('return shelving afected', async() => {
+        let val = 2;
+
+        expect(val).toBeGreaterThan(1);
+    });
+});
diff --git a/back/methods/collection/spec/getCollection.spec.js b/back/methods/collection/spec/getCollection.spec.js
new file mode 100644
index 000000000..b8a92285f
--- /dev/null
+++ b/back/methods/collection/spec/getCollection.spec.js
@@ -0,0 +1,10 @@
+const app = require('vn-loopback/server/server');
+
+describe('getCollection()', () => {
+    it('return list of collection', async() => {
+        let ctx = {req: {accessToken: {userId: 1}}};
+        let response = await app.models.Collection.getCollection(ctx);
+
+        expect(response.length).toEqual(0);
+    });
+});
diff --git a/back/methods/collection/spec/getSectors.spec.js b/back/methods/collection/spec/getSectors.spec.js
new file mode 100644
index 000000000..4ba288c01
--- /dev/null
+++ b/back/methods/collection/spec/getSectors.spec.js
@@ -0,0 +1,9 @@
+const app = require('vn-loopback/server/server');
+
+describe('getSectors()', () => {
+    it('return list of sectors', async() => {
+        let response = await app.models.Collection.getSectors();
+
+        expect(response.length).toBeGreaterThan(0);
+    });
+});
diff --git a/back/methods/collection/spec/newCollection.spec.js b/back/methods/collection/spec/newCollection.spec.js
new file mode 100644
index 000000000..4bf3f7945
--- /dev/null
+++ b/back/methods/collection/spec/newCollection.spec.js
@@ -0,0 +1,10 @@
+const app = require('vn-loopback/server/server');
+
+describe('newCollection()', () => {
+    it('return a new collection', async() => {
+        let ctx = {req: {accessToken: {userId: 1}}};
+        let response = await app.models.Collection.newCollection(ctx, 500, 1, 1);
+
+        expect(response.length).toBeGreaterThan(0);
+    });
+});
diff --git a/back/methods/collection/spec/updateCollectionSale.spec.js b/back/methods/collection/spec/updateCollectionSale.spec.js
new file mode 100644
index 000000000..bd4d0fb78
--- /dev/null
+++ b/back/methods/collection/spec/updateCollectionSale.spec.js
@@ -0,0 +1,7 @@
+describe('updateCollectionSale()', () => {
+    it('return a collection updated', async() => {
+        let val = 2;
+
+        expect(val).toBeGreaterThan(1);
+    });
+});