[ivi-tct][webapi] Add 2 tests for web notificaition

- Add titleDir, bodyDir of NotificationOptions dictionary

Impacted tests(approved): new 2, update 0, delete 0
Unit test platform: [IVI] crosswalk-10.39.233, t-e-c 0.120
Unit test result summary: pass 0, fail 2, block 0
Merge pull request #1375 from chenxix/ivi-tct

[ivi-tct][webapi] Update webdriver related tests
Merge pull request #1373 from xinliux/ivi-tct

[ivi-tct][webapi] Add 2 tests for web notificaition