[webapi] Integrate 7 tests for CSS3 Fonts

Impacted tests(approved): new 7, update 0, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 7, fail 0, block 0
Merge pull request #1211 from yunxiaoxie/move-fonts

[webapi] Integrate 7 tests for CSS3 Fonts