Yuri Astrakhan f1e71be8b2
Refactored GeoHashGrid unit tests (#37832)
* Refactored GeoHashGrid unit tests

This change allows other grid aggregations to reuse the same tests.

The change mostly just moves code to the base classes, trying to
keep changes to a bare minimum.

* rename createInternalGeoHashGridBucket to createInternalGeoGridBucket

* indentation
2019-01-25 13:37:24 -05:00
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