UNIT_TESTING_18501_SEARCH_USER

 - [ ] Controller
    - [ ] create function test_search_user_ok
    - [ ] create function test_search_user_not_ok
    - [ ] create function test_search_user_empty - The keyword search is empty
 - [ ] Model
   - [ ] create function test_search_user_ok
   - [ ] create function test_search_user_notok