Makefile: use a $(GO_TEST) macro, fix a typo
Makefile: use a $(GO_TEST) macro, fix a typo

Use a $GO_TEST macro, which sets GO111MODULE=on like $GO_BUILD does, to
run tests from the Makefile.  Also, fix a typo.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

Closes: #2104
Approved by: rhatdan

TomSweeneyRedHat/buildah,nalind/buildah-1,projectatomic/buildah,projectatomic/buildah,rhatdan/buildah,TomSweeneyRedHat/buildah,rhatdan/buildah,rhatdan/buildah,nalind/buildah,nalind/buildah-1,nalind/buildah,projectatomic/buildah,TomSweeneyRedHat/buildah,nalind/buildah-1