Added unit tests for rendering a globe with materials
Added unit tests for rendering a globe with materials

jasonbeverage/cesium,josh-bernstein/cesium,likangning93/cesium,hodbauer/cesium,NaderCHASER/cesium,YonatanKra/cesium,josh-bernstein/cesium,ggetz/cesium,soceur/cesium,likangning93/cesium,geoscan/cesium,progsung/cesium,CesiumGS/cesium,hodbauer/cesium,oterral/cesium,hodbauer/cesium,oterral/cesium,likangning93/cesium,progsung/cesium,ggetz/cesium,NaderCHASER/cesium,likangning93/cesium,jasonbeverage/cesium,CesiumGS/cesium,ggetz/cesium,CesiumGS/cesium,YonatanKra/cesium,AnalyticalGraphicsInc/cesium,AnalyticalGraphicsInc/cesium,CesiumGS/cesium,soceur/cesium,ggetz/cesium,soceur/cesium,YonatanKra/cesium,YonatanKra/cesium,CesiumGS/cesium,kaktus40/cesium,kaktus40/cesium,oterral/cesium,likangning93/cesium,geoscan/cesium,NaderCHASER/cesium