enable atmospheric lgetkf ctests to run in combined and split modes#1262

RussTreadon-NOAA merged 2 commits into

NOAA-EMC:developNOAA-EMC/GDASApp:developfrom

RussTreadon-NOAA:feature/lgetkf_ctestsRussTreadon-NOAA/GDASApp:feature/lgetkf_ctestsCopy head branch name to clipboard