Add test for tilehost info.
Add test for tilehost info.

staltz/tilestream,markng/tilestream,mapbox/tilestream,makinacorpus/tilestream,frankrowe/tilestream,markng/tilestream,frankrowe/tilestream,makinacorpus/tilestream,simonpoole/tilestream,mapbox/tilestream,NolaMark/tilestream,simonpoole/tilestream,NolaMark/tilestream,HydroLogic/tilestream,zhm/tilestream,staltz/tilestream,zhm/tilestream,HydroLogic/tilestream