Add Daemon test utils

Docker-DCO-1.1-Signed-off-by: Tibor Vass <teabee89@gmail.com> (github: tiborvass)
Add TestDaemonRestartWithRunningContainersPorts

Docker-DCO-1.1-Signed-off-by: Tibor Vass <teabee89@gmail.com> (github: tiborvass)
Merge pull request #7191 from tiborvass/test-daemon

Add Daemon restart test along with Daemon utils