Added unit tests for bounding box.
Added unit tests for bounding box.

SethGreylyn/gwells,bcgov/gwells,SethGreylyn/gwells,SethGreylyn/gwells,rstens/gwells,rstens/gwells,bcgov/gwells,bcgov/gwells,SethGreylyn/gwells,bcgov/gwells,rstens/gwells,rstens/gwells