Merge pull request #293 from dumganhar/test3.0-lastest

[3.0] Sync with master
issue #3419 rename loadSceneEdtiorFileTest path
issue #3419 rename  LoadSceneEdtiorFileTest
issue #3419 update AttributeComponentTest
Merge pull request #294 from xingsenma/master

issue #3419 update cocostudio scene test
Merge branch 'master' of git://github.com/cocos2d/cocos2d-js-tests into HEAD

Conflicts:
	tests/CocoStudioTest/SceneTest/SceneEditorTest.js