[wrt][XWALK-890]Update test.py move input_result,change device test path

[Detailed commit message (if have)]
Unit test platform: [tizen]
Unit test result summary: Pass 347, Fail 0, Blocked 0
[webapi] Add handlers for websocket server

- Integrate handlers from w3c tests, these files are needed by websocket server
Merge pull request #423 from linshen/update-xwalk-890

[wrt][XWALK-890]Update test.py move input_result,change device test path
Merge pull request #426 from haoxli/haoxli/webapi/websocket-hanlder

[webapi] Add handlers for websocket server