THe port tests in integration-cli tests just for the port-mapping as
seen by Docker daemon. But it doesn't perform a more indepth testing by
checking for the exposed port on the host.
This change helps to fill that gap.
Signed-off-by: Madhu Venugopal <madhu@docker.com>
Upstream-commit: 448a1a7139cf89a0f4f985ec027a93799d0befb7
Component: engine