More testing documentation improvements
Include the private port in mine.get_docker
Merge pull request #13082 from ticosax/develop

this **kw was intended for installed() not for remove_container()
Merge pull request #13083 from rallytime/test_docs

More testing documentation improvements
Merge pull request #13084 from nicolehubbard/docker-private-port

Include the private port in the get_docker mine