Merge pull request #3691 from TrevorDev/dofValidation

update the validation for dof

dist/preview release/what's new.md

@@ -49,7 +49,7 @@
 - Documented PostProcessRenderEffect, DefaultRenderingPipeline, BlurPostProcess, DepthOfFieldEffect, PostProcess, PostProcessManager, Effect classes ([trevordev](https://github.com/trevordev))
 - SPS internal storage of each solid particle rotation matrix ([jbousquie](https://github.com/jbousquie)) 
 - (Viewer) Introducing the viewer labs - testing new features. ([RaananW](https://github.com/RaananW))
-- AssetContainer Class and loading methods. ([trevordev](https://github.com/trevordev))
+- AssetContainer Class and loading methods ([trevordev](https://github.com/trevordev))
 - KeepAssets class and AssetContainer.moveAllFromScene ([HoloLite](http://www.html5gamedevs.com/profile/28694-hololite/) [trevordev](https://github.com/trevordev))
 - (Viewer) It is now possible to update parts of the configuration without rcreating the objects. ([RaananW](https://github.com/RaananW))
 - (Gulp) extra/external declarations can be prepended to final declarations during build. ([RaananW](https://github.com/RaananW))

tests/validation/config.json

@@ -256,7 +256,7 @@
     },
     {
       "title": "Depth of field",
-      "playgroundId": "#IDSQK2#16",
+      "playgroundId": "#IDSQK2#21",
       "renderCount": 20,
       "referenceImage": "depthOfField.png"
     },