Add a helper eer function

4 jobs for eer in 15 minutes and 37 seconds (queued for 10 seconds)
Status Name Job ID Coverage
  Build
passed build_linux_27 #139419
docker

00:15:30

85.0%
passed build_linux_36 #139420
docker

00:15:31

85.0%
passed build_macosx_27 #139421
macosx

00:13:34

85.0%
passed build_macosx_36 #139422
macosx

00:13:26

85.0%