TST : add test for groupby aggregation dtype#43915

Merged

jreback merged 6 commits intopandas-dev:masterfrom

OlivierCavadenti:tst-gh32793-groupbyagg-test

Oct 29, 2021

Commits on Oct 7, 2021

Commits on Oct 8, 2021

add reduction_func parameter
OlivierCavadenti
committed

Commits on Oct 13, 2021

rename + change assert
OlivierCavadenti
committed

Commits on Oct 28, 2021