[wrt][xwalk-2917]Update tests.xml

Check the tests.xml is ok
[webapi][TC-602] Remove test suite for W3C CSS Filter

https://bugs.tizen.org/jira/browse/TC-602 is closed as Won't Fix
So it is not a Tizen IVI specific feature any more.
[webapi] Fix screen orientation test cases according to spec.

1, We need to use a valid functionn to wrap the "fake" function callback (e.g. unreached_func() in this case).
2, According to screen orientation w3c spec http://www.w3.org/TR/screen-orientation/#orientationlocktype-enum, the "OrientationLockType" cannot be angle value such as "0", "90", "180", "270"
3, The screen.orientation.lock() cannot be invoked in parallel. That might cause the JavaScript Promise object's resolved callback not be invoked. Instead, we should call them in sequence.

BUG=XWALK-2513
[webapi] Integrate 696 tests for WebGL

Impacted tests(approved): new 696, update 0, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 689, fail 7, block 0
[wrt] Update xwalk-launcher to open_app
[wrt] Update xwalk-launcher to open_app
Merge pull request #1207 from yunxiaoxie/move-webgl

[webapi] Integrate 696 tests for WebGL
[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
Merge pull request #1204 from zqzhang/cssfilter

[webapi][TC-602] Remove test suite for W3C CSS Filter
Merge pull request #1209 from yunxliu/yunxliu/usecase/modifyScript

[wrt] Update xwalk-launcher to open_app
Merge pull request #1208 from yunxliu/yunxliu/misc/modifyScript

[wrt] Update xwalk-launcher to open_app
Merge pull request #1200 from linshen/shenlin/update-xwalk-2917

[wrt][xwalk-2917]Update tests.xml
Merge pull request #1205 from yejingfu/bug-fix

[webapi] Fix screen orientation test cases according to spec.