Fix IE-only test failure
Fix IE-only test failure

One of the InfoBox tests was missing a semi-color in an HTML string. Other
browsers return the exact text set in innerHTML, but IE returns the
corrected text (with semicolor).  Adding a semicolor fixes the test on
all browsers.

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