[webapi] Integrate 115 tests for HTML5 Forms

 - designed: 4, approved: 111

Impacted tests(approved): new 111, update 0, delete 0
Unit test platform: [Tizen IVI][Android]
Unit test result summary: pass 111, fail 0, block 0
Merge pull request #1155 from yunxiaoxie/move-forms

[webapi] Integrate 115 tests for HTML5 Forms