```
manager = User.find_by(email: 'pkhien95@gmail.com').authenticable

manager.departments.create({name: 'QA', company_id: 'fbe8981d-8693-4e21-9f67-6b538f5214b0', tenant: 'sb-test.vinceredev.com', external_id: '123'})
manager.departments.create({name: 'Designer', company_id: 'fbe8981d-8693-4e21-9f67-6b538f5214b0', tenant: 'sb-test.vinceredev.com', external_id: '123'})
manager.departments.create({name: 'Dev', company_id: 'fbe8981d-8693-4e21-9f67-6b538f5214b0', tenant: 'sb-test.vinceredev.com', external_id: '123'})
```