mapbox/mbutil — pull request #59 by vross (2014-09-30 10:09:48+00:00)
Title: Add test for utfgrid callback

There was no test for the [callback name control](https://github.com/mapbox/mbutil/pull/48) so people could [accidentally remove it without breaking the tests](https://github.com/mapbox/mbutil/pull/58). It may be useful to have one. :)