[EFL] Add unit test cases for ewk_settings APIs
https://bugs.webkit.org/show_bug.cgi?id=114897

Patch by Jose Lejin PJ <jose.lejin@gmail.com> on 2013-04-24
Reviewed by Gyuyoung Kim.

Added unit tests for ewk_settings APIs.

* tests/test_ewk_setting.cpp:
(TEST_F):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@149032 268f45cc-cd09-0410-ab3c-d52691b4dbfc