Tests: Add a test for tag by id
Tests: Add a test for tag by id

Signed-off-by: Yiqiao Pu <ypu@redhat.com>

Closes: #2004
Approved by: rhatdan

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