Fix behaviour of `rmi -f` with unexpected errors#654

Merged

vdemeester merged 2 commits intodocker:masterfrom

dnephin:pr-fix-image-rm

Oct 31, 2017

Commits on Oct 30, 2017

docker rm -f exits with 1 if the image was not removed

adshmh
authored and
dnephin
committed
Use t.Run() for tests
dnephin
committed