reject Vector3DTilePolylines readyPromise when verticesPromise fails
reject Vector3DTilePolylines readyPromise when verticesPromise fails

likangning93/cesium,CesiumGS/cesium,likangning93/cesium,likangning93/cesium,AnalyticalGraphicsInc/cesium,likangning93/cesium,likangning93/cesium,CesiumGS/cesium,CesiumGS/cesium,CesiumGS/cesium,AnalyticalGraphicsInc/cesium,CesiumGS/cesium