[webapi] Integrate 6 tests for CSS3 Text

 - These tests come from http://svn.webkit.org/repository/webkit/trunk/LayoutTests/fast/text/

Impacted tests(approved): new 6, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 6, fail 0, block 0
Merge pull request #1327 from yunxiaoxie/move-up-text

[webapi] Integrate 6 tests for CSS3 Text