mapbox/vtfx — pull request #32 by yhahn (2014-10-16 14:51:46+00:00)
Title: Add unit tests for orderby that uses minimal data

@ian29 @camilleanne when you have a chance give this a read and let me know if this approach makes sense for other FX as well.

The tests are currently failing the *preserves order of tied features* assertion because the fx currently reorders tied features.