[wrt] [XWALK-1643] Fix tests for xwalk-1643

- Follow the wiki: https://github.com/crosswalk-project/crosswalk-website/wiki/zzz_archive-%5BCrosswalk-manifest%5D the name is required field, so if it is not exists in app, the app shouldn't be install and launch,  but got failed. 

Impacted TCs num(approved): New 0, Update 8, Delete 0
Unit test Platform: IVI
Tizen test result summary: Pass 7, Fail 1, Block 0