Merge pull request #292 from dingpinglv/Iss3501_ReleasingV2.2.2

Issue #3501: reverting CocosDenshionTest to keep it simple.
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
Refactor #3585: Add CCFormatHelper into build files
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js-tests
Merge pull request #296 from pandamicro/master

Refactor #3585: Add CCFormatHelper into build files
Fixed #3501: modify some codes for NPM
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js-tests into Iss3501_ReleasingV2.2.2