Revert "Removed extraneous tests for tileset.maximumMemoryUsage"
Revert "Removed extraneous tests for tileset.maximumMemoryUsage"

This reverts commit 8e80e98fe8a0a6d6ad45fc8d73582e56d5c8bcf9.

soceur/cesium,kiselev-dv/cesium,wallw-bits/cesium,oterral/cesium,hodbauer/cesium,CesiumGS/cesium,progsung/cesium,CesiumGS/cesium,likangning93/cesium,jasonbeverage/cesium,josh-bernstein/cesium,likangning93/cesium,wallw-bits/cesium,soceur/cesium,jason-crow/cesium,YonatanKra/cesium,YonatanKra/cesium,aelatgt/cesium,jason-crow/cesium,ggetz/cesium,wallw-bits/cesium,oterral/cesium,jasonbeverage/cesium,AnimatedRNG/cesium,aelatgt/cesium,jason-crow/cesium,kaktus40/cesium,NaderCHASER/cesium,AnimatedRNG/cesium,omh1280/cesium,emackey/cesium,YonatanKra/cesium,geoscan/cesium,YonatanKra/cesium,AnimatedRNG/cesium,NaderCHASER/cesium,wallw-bits/cesium,NaderCHASER/cesium,AnalyticalGraphicsInc/cesium,emackey/cesium,aelatgt/cesium,CesiumGS/cesium,kiselev-dv/cesium,denverpierce/cesium,soceur/cesium,ggetz/cesium,kiselev-dv/cesium,emackey/cesium,likangning93/cesium,geoscan/cesium,AnimatedRNG/cesium,josh-bernstein/cesium,AnalyticalGraphicsInc/cesium,CesiumGS/cesium,progsung/cesium,jason-crow/cesium,denverpierce/cesium,omh1280/cesium,omh1280/cesium,omh1280/cesium,likangning93/cesium,hodbauer/cesium,denverpierce/cesium,likangning93/cesium,ggetz/cesium,kaktus40/cesium,aelatgt/cesium,hodbauer/cesium,denverpierce/cesium,emackey/cesium,CesiumGS/cesium,kiselev-dv/cesium,oterral/cesium,ggetz/cesium