[usecase] Notification ivi tests merge to usecase tizen

- Notification ivi manual tests to merge to use-case tizen notification.

Impacted TCs num(approved): New 0, Update 1, Delete 0
Unit test Platform: Tizen M0
Tizen test result summary: Pass 1, Fail 0, Blocked 0
Merge pull request #488 from xinliux/xinliux/usecase/notification-merge

[usecase] Notification ivi tests merge to usecase tizen