[wrt] Add 2tcs for wrt-i18n-tizne-tests

[XWALK-1030] for Widget app
Impacted TCs num(designed): New 2, update 0, deleted 0
Unit test platform: [tizen]
Unit test result summary: Pass 2 , Fail 0, Blocked 0
Signed-off-by: Shen, Lin <linx.a.shen@intel.com>