[webapi] Integrate 2 reference files from W3C for extra

- Update manual cases to auto cases, these reference files from W3C repository

Impacted tests(approved): new 0, update 2, delete 0
Unit test platform: [Android]
Unit test result summary: pass 2, fail 0, block 0
Merge pull request #1554 from yunxliu/webapi/extra

[webapi] Integrate 2 reference files from W3C