Add more tests and clean up container logs

[felipecruz91]

No description provided.

[github-actions]

Docker image tag(s) pushed:

felipecruz/vackup-docker-extension:pr-27

Labels added to images:

org.opencontainers.image.title=vackup-docker-extension
org.opencontainers.image.description=Docker Extension to backup and restore docker volumes.
org.opencontainers.image.url=https://github.com/felipecruz91/vackup-docker-extension
org.opencontainers.image.source=https://github.com/felipecruz91/vackup-docker-extension
org.opencontainers.image.version=pr-27
org.opencontainers.image.created=2022-08-02T11:55:22.498Z
org.opencontainers.image.revision=b89edf95d1d5e6dc1bcb6fe04d74f39f3e15783d
org.opencontainers.image.licenses=MIT