We noticed a regression since the 1.7.1 patch after some refactoring. This
patch corrects the behavior and adds integration tests for modified manifest
and rootfs layer blobs.
Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)
Wait for the local registry-v2 test instance to become available to
avoid random tests failures.
Signed-off-by: Arnaud Porterie <arnaud.porterie@docker.com>