diff --git a/db/versions/11350-silverArborvitae/00-firstScript.sql b/db/versions/11350-silverArborvitae/00-firstScript.sql
new file mode 100644
index 000000000..b5e87133e
--- /dev/null
+++ b/db/versions/11350-silverArborvitae/00-firstScript.sql
@@ -0,0 +1,2 @@
+ALTER TABLE vn.shelvingLog
+    MODIFY COLUMN changedModel enum('Shelving', 'ItemShelving') CHARACTER SET utf8mb3 COLLATE utf8mb3_unicode_ci DEFAULT 'Shelving' NOT NULL;
diff --git a/modules/worker/back/methods/worker-time-control/specs/login.spec.js b/modules/worker/back/methods/worker-time-control/specs/login.spec.js
index e125a876d..eff0edaa7 100644
--- a/modules/worker/back/methods/worker-time-control/specs/login.spec.js
+++ b/modules/worker/back/methods/worker-time-control/specs/login.spec.js
@@ -1,5 +1,4 @@
 const models = require('vn-loopback/server/server').models;
-const LoopBackContext = require('loopback-context');
 const UserError = require('vn-loopback/util/user-error');
 
 describe('workerTimeControl login()', () => {
diff --git a/modules/worker/back/methods/worker-time-control/specs/sendMail.spec.js b/modules/worker/back/methods/worker-time-control/specs/sendMail.spec.js
new file mode 100644
index 000000000..1395c7a46
--- /dev/null
+++ b/modules/worker/back/methods/worker-time-control/specs/sendMail.spec.js
@@ -0,0 +1,27 @@
+const models = require('vn-loopback/server/server').models;
+
+describe('sendMail', () => {
+    it('should insert in mail', async() => {
+        const tx = await models.Sale.beginTransaction({});
+        const options = {transaction: tx};
+        options.transaction = tx;
+        let mailCountBefore;
+        let mailCountAfter;
+        const ctx = {
+            req: {accessToken: {userId: 50}},
+            args: {workerFk: 1106, year: 2001, week: 1}
+        };
+
+        try {
+            mailCountBefore = await models.Mail.count(options);
+            await models.WorkerTimeControl.sendMail(ctx, options);
+            mailCountAfter = await models.Mail.count(options);
+        } catch (e) {
+            await tx.rollback();
+            throw e;
+        }
+
+        expect(mailCountAfter).toBeGreaterThan(mailCountBefore);
+        await tx.rollback();
+    });
+});