[webapi] Integrate 17 tests for CSS3 Text

 - designed: 1, approved: 16

Impacted tests(approved): new 16, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 16, fail 0, block 0
Except the `class="test"` issue, please use `Filler Text` as the tested text rather than `CSS3 text-align Tests`